Overall rank by patents
#21,245
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 15 technology areas, recorded in grant years 2021–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS).
The verdict
According to USPTO PatentsView, Hydromecanique ranks #21,245 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 15 technology areas.
USPTO PatentsView assignee plate
Corpus R21245 · Foreign Corporation #21,245 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Hosei University (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Hydromecanique Et Fr… · this assignee
51 score
3D Lighting Innovati… · lowest
7 score
What this shows Hydromecanique's Innovation Score is 50.8/100 (top 12% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Hydromecanique Et Frottement is a focused PatentsView assignee: 15 CPC subclasses with 53.8% of grants classified under F16C (SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS). Peak complete grant year is 2024 (5 grants) versus a trough of 1 in 2021. By volume, Hydromecanique sits between Hosei University and I/o Interconnect, Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Hosei University
13 patents
Hothead Games Inc.
13 patents
Hottinger Baldwin Messtechnik GmbH
13 patents
Hummingbird Diagnostics GmbH
13 patents
I-CUBED RESEARCH CENTER INC.
13 patents
I-MAB BIOPHARMA US LIMITED
13 patents
I.G. BAUERHIN GMBH
13 patents
I/O INTERCONNECT, LTD.
13 patents
Hydromecanique et Frottement
13 patents
What this shows Hydromecanique holds 13 patents at rank #21,243, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,243 in granted patent volume.
Other assignees with the most granted patents in Hydromecanique's primary technology class.
Hydromecanique's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
51 Top 12% higher than 88% of 50,000 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2021 | 1 | 7.7% |
| 2023 | 2 | 15.4% |
| 2024 | 5 | 38.5% |
| 2025partial year | 5 | 38.5% |
Top 15 of 15 technology areas
Overall rank by patents
#21,245
of 50,000 tracked assignees
50.8 out of 100
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.