SGL Carbon SE
USPTO PatentsView assignee record - 43 granted patents across 64 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: 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, SGL ranks #7,617 of 49,997 tracked US assignees by granted-patent volume, with 43 patents across 64 technology areas.
- #7,617
- of 49,997 US assignees by volume
- Top 11%
- by Innovation Score (51.8/100)
- 15.4
- avg claims per patent
- -22%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R7617 · Foreign Corporation #7,617 · 43 grants
GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL
- GRANTS-SMALL 43 grants
- UPPER-Q #7,617/49,997
- PHOTO-FINISH Radiometer Medical APS
- CPC-WIDE C04B · 64 areas
- INNOV-PAR 51.8/100
- CLAIMS-RICH 15.4 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-DOWN -22% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Radiometer Medical APS (±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 SGL’s 51.8 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 SGL
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Continuous Composites · near
Continuous Composites · near
52 score
- GKN Aerospace… · near
GKN Aerospace… · near
52 score
- Imperial Innovations · near
Imperial Innovations · near
52 score
- SGL Carbon SE · this assignee
SGL Carbon SE · this assignee
52 score
- Sloan Valve · near
Sloan Valve · near
52 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows SGL's Innovation Score is 51.8/100 (top 11% 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 SGL?
Each dot is one of SGL’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). SGL’s own 15.4 claims/patent is ABOVE the 10.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
How SGL's grant cadence moved
Between 2020–2024, SGL Carbon SE received 18 grants versus 23 in 2015–2019 (-22% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2019 at 7 grants and bottomed in 2016 at 3. Lead class C04B accounts for 37.2% of the portfolio across 64 subclasses. Volume neighbours: Radiometer Medical APS (#7,611) and Sumitomo Electric Optifrontier Co., Ltd. (#7,619).
SGL's three-year grant acceleration
SGL Carbon SE shows 10 grants in 2022–2024 against only 15 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.
Who files at SGL's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Radiometer Medica…
Radiometer Medical APS
43 patents
- Retractable
Retractable Technologies, Inc.
43 patents
- Roxtec AB
Roxtec AB
43 patents
- Rubicon Global Ho…
Rubicon Global Holdings, LLC
43 patents
- Shibuya
Shibuya Corporation
43 patents
- Showa Denko Packa…
Showa Denko Packaging Co., Ltd.
43 patents
- Standard CAR Truck
Standard CAR Truck Company
43 patents
- Sumitomo Electric…
Sumitomo Electric Optifrontier Co., Ltd.
43 patents
- SGL Carbon SE ◀
SGL Carbon SE
43 patents
What this shows SGL holds 43 patents at rank #7,615, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near SGL
By rank, the assignees closest to #7,615 in granted patent volume.
- Radiometer Medical APS #7,611 · 43 patents
- Retractable Technologies, Inc. #7,612 · 43 patents
- Roxtec AB #7,613 · 43 patents
- Rubicon Global Holdings, LLC #7,614 · 43 patents
- Shibuya Corporation #7,616 · 43 patents
- Showa Denko Packaging Co., Ltd. #7,617 · 43 patents
- Standard CAR Truck Company #7,618 · 43 patents
- Sumitomo Electric Optifrontier Co., Ltd. #7,619 · 43 patents
Leaders in C04B (Lime)
Other assignees with the most granted patents in SGL's primary technology class.
- NGK Insulators, Ltd. 451 in class
- Halliburton Energy Services, Inc. 417 in class
- Saudi Arabian OIL Company 271 in class
- Corning Incorporated 262 in class
- TDK Corporation 164 in class
- Rolls-Royce Corporation 135 in class
- United States Gypsum Company 132 in class
- Mitsubishi Materials Corporation 129 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for SGL, neither rank-band nor same-CPC leaders (those blocks stay above). In C04B (Lime), SGL ranks #84 of 1,052 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (52 here).
SGL's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
52 Top 11% higher than 89% 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 | 6 | 14.0% |
| 2016 | 3 | 7.0% |
| 2017 | 3 | 7.0% |
| 2018 | 4 | 9.3% |
| 2019 | 7 | 16.3% |
| 2020 | 5 | 11.6% |
| 2021 | 3 | 7.0% |
| 2022 | 3 | 7.0% |
| 2023 | 4 | 9.3% |
| 2024 | 3 | 7.0% |
| 2025partial year | 2 | 4.7% |
Which technologies does SGL Carbon SE patent most?
Top 15 of 64 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
SGL Carbon SE's patent record in context - here's where to go next.
- SGL Carbon SE's lead technology class is C04B (Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone), 37.2% of its portfolio - see every assignee active in that class. Explore C04B
- Ranked #7,617 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare SGL Carbon SE against Radiometer Medical APS, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 51.8/100 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.