Car Seat Installation Patents: Who Leads, Where the Gaps Are 2026
- One assignee dominates the whole field. of 6 ranked companies, the leader holds 19 records against a fifth-place filer with just 1 — this is not a crowded market, it is one company's claim territory.
- Filing peaked in 2020, not now. activity hit 10 records that year and has not returned to that level since, though the most recent year is always undercounted because publication lags filing by about 18 months.
- Every record sits inside vehicle seats generally. B60N covers all 19 records in scope, while children's furniture (A47D) and general seating (A47C) each cover 36.8% — installation mechanics, not child-specific hardware, is where the claims live.
What this landscape covers
This dataset tracks published patent records addressing car seat installation and misuse prevention — rigid anchor systems, belt routing indicators, tension sensing, audible confirmation of correct fit, instruction clarity and formal inspection programmes. The scope spans 2015 through the 2026-07-31 data cut-off, with 19 published records in total.
Filing offices skew heavily toward the United States, with smaller volumes at the EPO, in Australia, Canada, Singapore and via the WIPO PCT route — a pattern consistent with a technology still being worked out primarily for the US consumer safety market before wider international filing.
Filing trend and technology composition
Two views of the same 19 records: how filing activity moved year over year, and which IPC subclasses the claims actually sit in.
A single peak year, not a steady climb
Filings rose from zero in 2017 to a peak of 10 in 2020, then fell back. With fewer than four complete years available once the ~18-month publication lag is accounted for, a growth rate cannot be stated — but the shape shows a burst of activity around one filing cycle rather than sustained year-on-year growth.
Vehicle seats first, children's furniture second
All 19 records in scope carry a B60N vehicle-seat classification. A47C (chairs, sofas and beds) and A47D (children's furniture) each appear on 36.8% of records — meaning most inventions frame the child seat as a vehicle-interior mechanism first, and a piece of children's furniture second.
Shares are the percentage of the 19 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Car Seat Installation and Misuse Prevention with Eureka
This page is one run against one query. Ask Eureka your own question about car seat installation and misuse prevention and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited record, and the family behind it
WO2021030243A1 — Wonderland Switzerland AG
The filing describes an infant car seat with an integrated anchor system that secures the seat to a vehicle seat without a detachable installation base and without using the vehicle's own seat belt. Mechanical constraining points are positioned according to the seat's center of gravity and matched to the vehicle's lower anchor points; the anchor system can be rigid or belted, and may include a quick-disconnect release actuator and an adjustment foot.Abstract trimmed for length; see the full record for complete claim language.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20220194271A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 15 |
| 2 | WO2021030243A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 11 |
| 3 | US20220250513A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 5 |
| 4 | US20230242017A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 3 |
| 5 | US11618353B2 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 3 |
| 6 | US20230311723A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 2 |
| 7 | US20260021754A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 1 |
| 8 | US20250187505A1 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 1 |
| 9 | US12252045B2 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 1 |
| 10 | EP4010223A4 | Methods, apparatus and systems for securing an infant car seat to a vehicle seat with a tight fit and without… | 1 |
Citation counts favour older records simply because they have had more time to accumulate citations — read them as a signal of influence within this corpus, not as a ranking of current importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the evidence actually supports
Three findings drawn directly from the filing trend, the IPC composition and the citation table — not inferred beyond what the data shows.
One company's claim territory, not a competitive field
Of the 6 companies in the ranked list, the leader holds 19 records while fifth place holds just 1. This is a landscape shaped almost entirely by one filer's continuation strategy rather than a genuine multi-party race.
A single filing burst, then a pull-back
Activity climbed from zero in 2017 to 10 records in 2020 and has not matched that level since. Because publication lags filing by roughly 18 months, the most recent years understate true activity — but the shape still points to a concentrated filing event rather than steady growth.
Vehicle-interior framing dominates the claims
Every record in scope carries a B60N vehicle-seat classification, while A47C and A47D each sit at 36.8% of the 19 records. Inventors are largely claiming installation mechanics as automotive hardware, with child-specific furniture framing as a secondary layer.
Citations cluster around one family
The most-cited record and the next several most-cited records in this corpus all describe the same underlying anchor-system family, filed across multiple jurisdictions. That repetition across the citation table is itself informative about where downstream examiners and applicants have been looking.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to car seat installation and misuse prevention, with the prior art for and against each one.
The ranked leaders and where momentum is heading
The assignee ranking returned by this dataset covers 6 companies, from a single dominant filer down to individual named inventors with one record each.
A single filer with the entire top of the table
The leading assignee accounts for 19 of the records tracked here, dwarfing every other name in the ranking. Its most recent-year filing fell 50% year-over-year, which — with only 1 filing in the latest year — is consistent with a filer past its main filing burst rather than accelerating.
Named inventors filing individually, not corporate teams
Below the leader, several entries in the ranking are individual named inventors with a single record apiece, rather than corporate assignees. That points to a field where most non-leader activity is inventor-driven rather than backed by an in-house patent programme.
Co-filing exists but is thin
Ten co-assignee pairings appear across the dataset, with the leading assignee showing up as one side of the strongest pairs. This suggests some cross-filing or licensing structure around the leader's portfolio, but not a broad web of joint development.
| Assignee | Recent year | YoY |
|---|---|---|
| Wonderland Switzerland AG | 1 | -50% |
| WILLIAMS SA | 0 | — |
| MASON KYLE S | 0 | — |
| KEEBLER NATHANIEL W | 0 | — |
| HARTENSTINE CURTIS | 0 | — |
| BICKLEY BRAD | 0 | — |
Where to take this analysis
The dataset points to a field led by one filer's anchor-system family, with several under-claimed mechanisms still open. These are reasonable next steps for a team deciding where to invest.
Map the leader's full claim boundary
Before filing near rigid anchor systems or quick-disconnect mechanisms, pull the leader's full family tree — not just the top-cited record — to see exactly which mechanical configurations are already claimed.
Explore the leader's portfolio in EurekaCheck the under-claimed sub-areas directly
Tension sensing, audible confirmation and belt-routing indicators appear in the search scope but not densely in the IPC composition. A targeted search inside Eureka can confirm whether that gap is real or just thinly indexed.
Run a targeted search in EurekaWatch for the next filing cycle
Activity peaked once, in 2020, and has not repeated. Tracking the leader's YoY momentum and the receiving-office mix can flag whether a second filing burst is building before it shows up in aggregate counts.
Set up monitoring in EurekaCommon questions about this landscape
One assignee holds 19 of the records in this dataset's ranking, far ahead of the next-ranked company or individual filer, which sits at just 1 record. That gap means the field is not a genuine multi-party race — it is dominated by a single company's anchor-system family, with a long tail of individually filed inventions behind it. Anyone assessing freedom to operate here should focus first on that leader's full portfolio rather than the ranking as a whole.
Every record in this dataset carries a B60N (vehicle seats and interior) classification, and roughly a third also touch A47C (general seating) or A47D (children's furniture). In practice this means most claims are written as vehicle-interior mechanisms — anchors, tensioners, indicators — rather than as child-furniture design. If you are searching for prior art, start in B60N rather than assuming juvenile-product classifications will surface the relevant filings.
Filing activity in this dataset peaked in 2020 at 10 records, up from zero in 2017, and has not returned to that level in the years since. Because patent publication typically lags the actual filing date by around 18 months, the most recent one or two years in any such trend will always look lower than they eventually turn out to be once those applications publish. Treat the apparent recent decline with that caveat rather than as a confirmed slowdown.
The evidence suggests some under-claimed ground around tension-sensing feedback, audible fit-confirmation mechanisms, belt-routing visual indicators and formal inspection-programme integration — these appear in the search scope but do not show up as dense IPC clusters in the composition data. That is not a guarantee of true white space, since classification density can understate real claim coverage, but it is a reasonable starting point for a deeper prior-art search before committing to a filing strategy in those sub-areas.
WO2021030243A1 describes an infant car seat with an anchor system integrated into the seat itself, engaging the vehicle's lower anchor points directly without a detachable base or the vehicle's own seat belt, with constraining points placed relative to the seat's center of gravity. It is the second most-cited record in this dataset, behind a related US filing from the same family, and both belong to the leading assignee's broader anchor-system portfolio. Anyone designing a base-free or belt-free installation mechanism should review this family closely, since its claim scope appears to be the most heavily cited reference point in the entire landscape.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.