C. & E. Fein GMBH
USPTO PatentsView assignee record - 73 granted patents across 33 technology areas, recorded in grant years 2015–2025. 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: B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents).
The verdict
According to USPTO PatentsView, C. ranks #4,753 of 49,997 tracked US assignees by granted-patent volume, with 73 patents across 33 technology areas.
- #4,753
- of 49,997 US assignees by volume
- Top 13%
- by Innovation Score (50.4/100)
- 16.5
- avg claims per patent
- -18%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R4753 · Foreign Corporation #4,753 · 73 grants
GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL
- GRANTS-SMALL 73 grants
- TOP-DECILE #4,753/49,997
- PHOTO-FINISH Actelion Pharmaceuti…
- CPC-FOCUS B24B · 33 areas
- INNOV-PAR 50.4/100
- CLAIMS-RICH 16.5 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-DOWN -18% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Actelion Pharmaceuticals Ltd. (±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.
How C.’s 50.4 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around C.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Everlast Climbing… · near
Everlast Climbing… · near
50 score
- C & E Fein · this assignee
C & E Fein · this assignee
50 score
- McKesson · near
McKesson · near
50 score
- PanPsy · near
PanPsy · near
50 score
- Plansee SE · near
Plansee SE · near
50 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows C.'s Innovation Score is 50.4/100 (top 13% 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.
Does more volume mean deeper claims for C.?
Each dot is one of C.’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). C.’s own 16.5 claims/patent is ABOVE the 16.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
Where C.'s grants concentrate
C. & E. Fein GMBH is a focused PatentsView assignee: 33 CPC subclasses with 42.5% of grants classified under B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents). Peak complete grant year is 2015 (12 grants) versus a trough of 3 in 2023. By volume, C. sits between Actelion Pharmaceuticals Ltd. and ClearMotion, Inc..
C.'s three-year grant acceleration
From 2019–2021 to 2022–2024, C. & E. Fein GMBH moved from 20 to 16 grants (0.80x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.
Who files at C's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Actelion Pharmace…
Actelion Pharmaceuticals Ltd.
73 patents
- Blancpain
Blancpain SA
73 patents
- Bitsight
BitSight Technologies, Inc.
73 patents
- C&D Zodiac
C&D Zodiac, Inc.
73 patents
- Canon Denshi
Canon Denshi Kabushiki Kaisha
73 patents
- Causam Energy
Causam Energy, Inc.
73 patents
- Caterpillar Globa…
Caterpillar Global Mining Equipment LLC
73 patents
- Clearmotion
ClearMotion, Inc.
73 patents
- C & E Fein ◀
C. & E. Fein GMBH
73 patents
What this shows C. holds 73 patents at rank #4,754, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near C
By rank, the assignees closest to #4,754 in granted patent volume.
- Actelion Pharmaceuticals Ltd. #4,750 · 73 patents
- Blancpain SA #4,751 · 73 patents
- BitSight Technologies, Inc. #4,752 · 73 patents
- C&D Zodiac, Inc. #4,753 · 73 patents
- Canon Denshi Kabushiki Kaisha #4,755 · 73 patents
- Causam Energy, Inc. #4,756 · 73 patents
- Caterpillar Global Mining Equipment LLC #4,757 · 73 patents
- ClearMotion, Inc. #4,758 · 73 patents
Leaders in B24B (Machines)
Other assignees with the most granted patents in C's primary technology class.
- Applied Materials, Inc. 433 in class
- Ebara Corporation 390 in class
- Taiwan Semiconductor Manufacturing Company Ltd. 288 in class
- Disco Corporation 196 in class
- Makita Corporation 110 in class
- Rohm and Haas Electronic Materials CMP Holdings, Inc. 110 in class
- Black & Decker Inc. 94 in class
- Fujimi Incorporated 80 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for C, neither rank-band nor same-CPC leaders (those blocks stay above). In B24B (Machines), C ranks #20 of 468 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (50 here).
Similar claim depth
Nearest assignees by average claims per patent (16.5 here).
C.'s Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
50 Top 13% higher than 87% of 49,997 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 12 | 16.4% |
| 2016 | 8 | 11.0% |
| 2017 | 7 | 9.6% |
| 2018 | 8 | 11.0% |
| 2019 | 4 | 5.5% |
| 2020 | 9 | 12.3% |
| 2021 | 7 | 9.6% |
| 2022 | 8 | 11.0% |
| 2023 | 3 | 4.1% |
| 2024 | 5 | 6.8% |
| 2025partial year | 2 | 2.7% |
Which technologies does C. & E. Fein GMBH patent most?
Top 15 of 33 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
C. & E. Fein GMBH's patent record in context - here's where to go next.
- C. & E. Fein GMBH's lead technology class is B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents), 42.5% of its portfolio - see every assignee active in that class. Explore B24B
- Ranked #4,753 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare C. & E. Fein GMBH against Actelion Pharmaceuticals Ltd., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 50.4/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
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.