Otis Elevator Company
USPTO PatentsView assignee record - 1,319 granted patents across 146 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: B66B (ELEVATORS; Escalators OR Moving Walkways).
The verdict
According to USPTO PatentsView, Otis ranks #325 of 49,997 tracked US assignees by granted-patent volume, with 1,319 patents across 146 technology areas.
- #325
- of 49,997 US assignees by volume
- Top 2%
- by Innovation Score (64.4/100)
- 15.2
- avg claims per patent
- +59%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R325 · US Corporation #325 · 1,319 grants
GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL
- GRANTS-LARGE 1.3K grants
- TOP-DECILE #325/49,997
- PHOTO-FINISH Salesforce
- CPC-WIDE B66B · 146 areas
- INNOV-STRONG 64.4/100
- CLAIMS-RICH 15.2 claims/avg
- TYPE-USCORP US Corporation
- VEL-SURGE +59% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Salesforce, Inc. (±1 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 Otis’s 64.4 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 Otis
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Otis Elevator · this assignee
Otis Elevator · this assignee
64 score
- Siemens Healthineers… · near
Siemens Healthineers… · near
64 score
- BSH Hausgeräte · near
BSH Hausgeräte · near
64 score
- IP Holding · near
IP Holding · near
64 score
- National Oilwell Varco · near
National Oilwell Varco · near
64 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Otis's Innovation Score is 64.4/100 (top 2% 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 Otis?
Each dot is one of Otis’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). Otis’s own 15.2 claims/patent is ABOVE the 12.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
How Otis's grant cadence moved
Between 2020–2024, Otis Elevator Company received 774 grants versus 486 in 2015–2019 (+59% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2019 at 189 grants and bottomed in 2015 at 36. Lead class B66B accounts for 92.9% of the portfolio across 146 subclasses. Volume neighbours: Harman International Industries, Incorporated (#321) and Yamaha Hatsudoki Kabushiki Kaisha (#329).
Otis's three-year grant acceleration
From 2019–2021 to 2022–2024, Otis Elevator Company moved from 528 to 435 grants (0.82x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,748. See the growth leaderboard.
Who files at Otis's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Harman Internatio…
Harman International Industries, Incorporated
1,341 patents
- Kubota
Kubota Corporation
1,340 patents
- Cook Medical
Cook Medical Technologies LLC
1,327 patents
- Avago General IP…
Avago Technologies General IP (Singapore) Pte. Ltd.
1,321 patents
- Otis Elevator ◀
Otis Elevator Company
1,319 patents
- Salesforce
Salesforce, Inc.
1,318 patents
- Aristocrat Austra…
Aristocrat Technologies Australia Pty Limited
1,316 patents
- Black & Decker
Black & Decker Inc.
1,312 patents
- Yamaha Hatsudoki
Yamaha Hatsudoki Kabushiki Kaisha
1,310 patents
What this shows Otis holds 1,319 patents at rank #325, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Otis
By rank, the assignees closest to #325 in granted patent volume.
- Harman International Industries, Incorporated #321 · 1,341 patents
- Kubota Corporation #322 · 1,340 patents
- Cook Medical Technologies LLC #323 · 1,327 patents
- Avago Technologies General IP (Singapore) Pte. Ltd. #324 · 1,321 patents
- Salesforce, Inc. #326 · 1,318 patents
- Aristocrat Technologies Australia Pty Limited #327 · 1,316 patents
- Black & Decker Inc. #328 · 1,312 patents
- Yamaha Hatsudoki Kabushiki Kaisha #329 · 1,310 patents
Leaders in B66B (Elevators)
Other assignees with the most granted patents in Otis's primary technology class.
- Kone Corporation 590 in class
- Inventio AG 475 in class
- thyssenkrupp Elevator Corporation 75 in class
- thyssenkrupp AG 39 in class
- TK Elevator Innovation and Operations GmbH 32 in class
- China University of Mining and Technology 31 in class
- Mitsubishi Electric Research Laboratories, Inc. 26 in class
- Fujitec Co., Ltd. 20 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Otis, neither rank-band nor same-CPC leaders (those blocks stay above). In B66B (Elevators), Otis ranks #1 of 127 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (64 here).
Similar claim depth
Nearest assignees by average claims per patent (15.2 here).
Otis's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
64 Top 2% higher than 98% 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 | 36 | 2.7% |
| 2016 | 52 | 3.9% |
| 2017 | 74 | 5.6% |
| 2018 | 135 | 10.2% |
| 2019 | 189 | 14.3% |
| 2020 | 169 | 12.8% |
| 2021 | 170 | 12.9% |
| 2022 | 168 | 12.7% |
| 2023 | 149 | 11.3% |
| 2024 | 118 | 8.9% |
| 2025partial year | 59 | 4.5% |
Which technologies does Otis Elevator Company patent most?
Top 15 of 146 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Otis Elevator Company's patent record in context - here's where to go next.
- Otis Elevator Company's lead technology class is B66B (ELEVATORS; Escalators OR Moving Walkways), 92.9% of its portfolio - see every assignee active in that class. Explore B66B
- Ranked #325 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Otis Elevator Company against Harman International Industries, Incorporated, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 64.4/100 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.