Shell and Tube Exchanger Vibration Patents: Top Filers & Trends 2026
Shell and Tube Exchanger Vibration Patents: Who Leads and Where Filing Is Heading
Concentrated at the top. the ranked leader holds 36 records and the top 5 combined account for 50.3% of all 181 records in scope. Volume rose from 5 records in 2017 to a peak of 15 in 2018, dipped to a low of 1 in 2021, then climbed to 14 by 2024 — a +1300% swing across that three-year recovery. 2025 and 2026 read low because publication lags filing by roughly 18 months; treat the last two bars as incomplete, not as a slowdown.
- 1LUMMUS TECHNOLOGY INC36
- 2FLUID QUIP INC17
- 3EXXONMOBIL TECHNOLOGY & ENGINEERING CO13
- 4ROHM & HAAS CO13
- 5WESTINGHOUSE ELECTRIC CORP12
See the full shell and tube exchanger vibration analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this landscape
Who holds the most patents on shell and tube exchanger vibration?
One assignee leads with 36 of the 181 records in this landscape, and the top 5 assignees combined hold 50.3% of all records. The remaining 41 ranked companies split the rest, with fifth place at 12 records and tenth place at 6, showing a steep drop-off after the leading handful. This concentration suggests the leader has built a broad anti-vibration platform that smaller filers work around rather than compete with directly.
Is filing activity on tube bundle vibration growing or slowing?
Filing grew sharply, rising from 1 record in 2021 to 14 in 2024, a +1300% increase over three years, after an earlier peak of 15 in 2018. The 2025 and 2026 figures look low but should not be read as a slowdown: publication typically lags filing by around 18 months, so recent years are still filling in. Based on the 2021-2024 trajectory, activity was accelerating heading into the most recent complete filing year.
What is fluid elastic instability and why does it matter for patent claims?
Fluid elastic instability is a flow-induced vibration mechanism where cross-flow velocity past a tube bundle exceeds a critical threshold, causing self-sustaining tube oscillation that can lead to fatigue failure or tube-to-tube collision. It is one of the core search terms behind this landscape alongside vortex shedding, helical baffle design and tube support plate geometry. Claims addressing it typically cover baffle spacing, support plate offset or bundle geometry changes that raise the critical velocity threshold.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Shell and Tube Exchanger Vibration covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.