Overall rank by patents
#21,832
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 4 technology areas, recorded in grant years 2020–2023. 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: B29L (INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES).
The verdict
According to USPTO PatentsView, Stefanplast ranks #21,832 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 4 technology areas.
USPTO PatentsView assignee plate
Corpus R21832 · Foreign Corporation #21,832 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Spec Seats Technologies Inc. (±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
Stefanplast S p a · this assignee
18 score
3D Lighting Innovati… · lowest
7 score
What this shows Stefanplast's Innovation Score is 17.6/100 (top 96% 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.
Stefanplast S.p.a. is a focused PatentsView assignee: 4 CPC subclasses with 7.7% of grants classified under B29L (INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES). Peak complete grant year is 2021 (7 grants) versus a trough of 1 in 2023. By volume, Stefanplast sits between Spec Seats Technologies Inc. and Strata Safety Products, Llc.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Spec Seats Technologies Inc.
13 patents
Specialty Earth Sciences, LLC
13 patents
Sports Art Industrial Co., Ltd.
13 patents
Sprue Safety Products Ltd.
13 patents
Steffes, LLC
13 patents
Stephen P. Shoemaker Trust
13 patents
Stokely-Van Camp, Inc.
13 patents
Strata Safety Products, LLC
13 patents
Stefanplast S.P.A.
13 patents
What this shows Stefanplast holds 13 patents at rank #21,843, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,843 in granted patent volume.
Other assignees with the most granted patents in Stefanplast's primary technology class.
Stefanplast's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
18 Top 96% higher than 4% 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 2020–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2020 | 5 | 38.5% |
| 2021 | 7 | 53.8% |
| 2023 | 1 | 7.7% |
Top 4 of 4 technology areas
Overall rank by patents
#21,832
of 50,000 tracked assignees
17.6 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.