Overall rank by patents
#21,429
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 6 technology areas, recorded in grant years 2017–2023. 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: E03C (DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS).
The verdict
According to USPTO PatentsView, Mcalpine ranks #21,429 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 6 technology areas.
USPTO PatentsView assignee plate
Corpus R21429 · Foreign Corporation #21,429 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Maxim Lighting International, 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
Mcalpine & · this assignee
32 score
3D Lighting Innovati… · lowest
7 score
What this shows Mcalpine's Innovation Score is 31.9/100 (top 61% 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.
Mcalpine & Co. Ltd. is a focused PatentsView assignee: 6 CPC subclasses with 76.9% of grants classified under E03C (DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS). Peak complete grant year is 2019 (4 grants) versus a trough of 1 in 2020. By volume, Mcalpine sits between Maxim Lighting International, Inc. and Medica Corporation.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Maxim Lighting International, Inc.
13 patents
Mayht Holding B.V.
13 patents
Mazak Corporation
13 patents
Maztech Industries, LLC
13 patents
Measurement Specialties (China) Ltd.
13 patents
Med-Eng, LLC
13 patents
MedSource International LLC
13 patents
Medica Corporation
13 patents
McAlpine & Co. Ltd.
13 patents
What this shows Mcalpine holds 13 patents at rank #21,453, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,453 in granted patent volume.
Other assignees with the most granted patents in Mcalpine's primary technology class.
Mcalpine's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
32 Top 61% higher than 39% 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 2017–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2017 | 3 | 23.1% |
| 2018 | 3 | 23.1% |
| 2019 | 4 | 30.8% |
| 2020 | 1 | 7.7% |
| 2022 | 1 | 7.7% |
| 2023 | 1 | 7.7% |
Top 6 of 6 technology areas
Overall rank by patents
#21,429
of 50,000 tracked assignees
31.9 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.