Overall rank by patents
#28,372
of 49,997 tracked assignees
USPTO PatentsView assignee record - 9 granted patents across 15 technology areas, recorded in grant years 2015–2018. 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: C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone).
The verdict
According to USPTO PatentsView, Center ranks #28,372 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 15 technology areas.
USPTO PatentsView assignee plate
Corpus R28372 · Foreign Corporation #28,372 · 9 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Cellular Biomedicine Group HK Limited (±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
Center FOR Abrasives… · this assignee
28 score
3D Lighting… · lowest
7 score
What this shows Center's Innovation Score is 28.3/100 (27th percentile 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.
Center FOR Abrasives AND Refractories Research & Development C.A.R.R.D. GMBH is a focused PatentsView assignee: 15 CPC subclasses with 77.8% of grants classified under C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone). Peak complete grant year is 2015 (4 grants) versus a trough of 2 in 2018. By volume, Center sits between Cellular Biomedicine Group HK Limited and Cerego Japan Kabushiki Kaisha.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Cellular Biomedicine Group HK Limited
9 patents
Celon Pharma S.A.
9 patents
Celyad S.A.
9 patents
Cemedine Co., Ltd.
9 patents
Central South University OF Forestry AND Technology
9 patents
Central Valley Seeds, Inc.
9 patents
Centre Scientifique ET Technique DU BÂTIMENT (CSTB)
9 patents
Cerego Japan Kabushiki Kaisha
9 patents
Center FOR Abrasives AND Refractories Research & Development C.A.R.R.D. GMBH
9 patents
What this shows Center holds 9 patents at rank #28,342, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #28,342 in granted patent volume.
Other assignees with the most granted patents in Center's primary technology class.
Center's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
28 27th percentile higher than 27% 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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 4 | 44.4% |
| 2017 | 3 | 33.3% |
| 2018 | 2 | 22.2% |
Top 15 of 15 technology areas
Overall rank by patents
#28,372
of 49,997 tracked assignees
28.3 out of 100
What to do with this data
Center FOR Abrasives AND Refractories Research & Development C.A.R.R.D. GMBH's patent record in context - here's where to go next.
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.