Overall rank by patents
#22,895
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 15 technology areas, recorded in grant years 2022–2025. 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: H04R (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS).
The verdict
According to USPTO PatentsView, Lenbrook ranks #22,895 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 15 technology areas.
USPTO PatentsView assignee plate
Corpus R22895 · Foreign Corporation #22,895 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-DENSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Lake Country Tool, Llc (±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
Lenbrook Industries · this assignee
58 score
3D Lighting Innovati… · lowest
7 score
What this shows Lenbrook's Innovation Score is 57.5/100 (top 5% 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.
Lenbrook Industries Limited is a focused PatentsView assignee: 15 CPC subclasses with 50% of grants classified under H04R (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS). Peak complete grant year is 2024 (3 grants) versus a trough of 2 in 2022. By volume, Lenbrook sits between Lake Country Tool, Llc and Light Line Medical, Inc..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Lake Country Tool, LLC
12 patents
Lalabu LLC
12 patents
Lancaster University Business Enterprises Limited
12 patents
Ledup Manufacturing Group Limited
12 patents
Lennham Pharmaceuticals, Inc.
12 patents
Lifeline Systems Company
12 patents
Light Corp Inc.
12 patents
Light Line Medical, Inc.
12 patents
Lenbrook Industries Limited
12 patents
What this shows Lenbrook holds 12 patents at rank #22,905, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #22,905 in granted patent volume.
Other assignees with the most granted patents in Lenbrook's primary technology class.
Lenbrook's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
58 Top 5% higher than 95% 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 2022–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2022 | 2 | 16.7% |
| 2023 | 2 | 16.7% |
| 2024 | 3 | 25.0% |
| 2025partial year | 5 | 41.7% |
Top 15 of 15 technology areas
Overall rank by patents
#22,895
of 50,000 tracked assignees
57.5 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.