Praxair Technology, Inc.
USPTO PatentsView assignee record - 352 granted patents across 123 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: F25J (Liquefaction, Solidification OR Separation OF Gases OR Gaseous ; OR Liquefied GASEOUS; Mixtures BY Pressure AND Cold Treatment ; OR BY Bringing Them Into THE Supercritical State).
The verdict
According to USPTO PatentsView, Praxair ranks #1,204 of 49,997 tracked US assignees by granted-patent volume, with 352 patents across 123 technology areas.
- #1,204
- of 49,997 US assignees by volume
- Top 5%
- by Innovation Score (57.5/100)
- 13.8
- avg claims per patent
- -39%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R1204 · US Corporation #1,204 · 352 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL
- GRANTS-MID 352 grants
- TOP-DECILE #1,204/49,997
- PHOTO-FINISH Alstom Technology
- CPC-WIDE F25J · 123 areas
- INNOV-PAR 57.5/100
- CLAIMS-RICH 13.8 claims/avg
- TYPE-USCORP US Corporation
- VEL-DOWN -39% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Alstom Technology Ltd (±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 Praxair’s 57.5 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 Praxair
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Beijing Xiaomi… · near
Beijing Xiaomi… · near
58 score
- Cornerstone… · near
Cornerstone… · near
58 score
- Praxair Technology · this assignee
Praxair Technology · this assignee
58 score
- Trax Technology… · near
Trax Technology… · near
58 score
- Wipotec · near
Wipotec · near
58 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Praxair'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.
Does more volume mean deeper claims for Praxair?
Each dot is one of Praxair’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). Praxair’s own 13.8 claims/patent is at or below the 16.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
How Praxair's grant cadence moved
Between 2020–2024, Praxair Technology, Inc. received 129 grants versus 213 in 2015–2019 (-39% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2017 at 44 grants and bottomed in 2023 at 20. Lead class F25J accounts for 32.4% of the portfolio across 123 subclasses. Volume neighbours: AIR Products AND Chemicals, Inc. (#1,200) and Lumentum Operations LLC (#1,208).
Praxair's three-year grant acceleration
From 2019–2021 to 2022–2024, Praxair Technology, Inc. moved from 108 to 64 grants (0.59x 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 #2,464. See the growth leaderboard.
Who files at Praxair's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- AIR Products AND…
AIR Products AND Chemicals, Inc.
353 patents
- Applied Materials…
Applied Materials Israel Ltd.
353 patents
- Alstom Technology
Alstom Technology Ltd
352 patents
- Knowles
Knowles Electronics, LLC
352 patents
- Seiko Instruments
Seiko Instruments Inc.
352 patents
- Praxair Technology ◀
Praxair Technology, Inc.
352 patents
- Biedermann & KG
Biedermann Technologies GMBH & Co. KG
351 patents
- Dongwoo Fine-chem
Dongwoo Fine-chem Co., Ltd.
351 patents
- Lumentum Operatio…
Lumentum Operations LLC
351 patents
What this shows Praxair holds 352 patents at rank #1,204, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Praxair
By rank, the assignees closest to #1,204 in granted patent volume.
- AIR Products AND Chemicals, Inc. #1,200 · 353 patents
- Applied Materials Israel Ltd. #1,201 · 353 patents
- Alstom Technology Ltd #1,202 · 352 patents
- Knowles Electronics, LLC #1,203 · 352 patents
- Seiko Instruments Inc. #1,205 · 352 patents
- Biedermann Technologies GMBH & Co. KG #1,206 · 351 patents
- Dongwoo Fine-chem Co., Ltd. #1,207 · 351 patents
- Lumentum Operations LLC #1,208 · 351 patents
Leaders in F25J (Liquefaction)
Other assignees with the most granted patents in Praxair's primary technology class.
- L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude 257 in class
- Linde GmbH 95 in class
- Exxonmobil Upstream Research Company 69 in class
- Fluor Technologies Corporation 36 in class
- ConocoPhillips Company 32 in class
- 8 Rivers Capital, LLC 30 in class
- Shell OIL Compny 28 in class
- UOP LLC 27 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Praxair, neither rank-band nor same-CPC leaders (those blocks stay above). In F25J (Liquefaction), Praxair ranks #2 of 125 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (58 here).
Similar claim depth
Nearest assignees by average claims per patent (13.8 here).
Praxair'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 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 | 41 | 11.6% |
| 2016 | 41 | 11.6% |
| 2017 | 44 | 12.5% |
| 2018 | 44 | 12.5% |
| 2019 | 43 | 12.2% |
| 2020 | 38 | 10.8% |
| 2021 | 27 | 7.7% |
| 2022 | 21 | 6.0% |
| 2023 | 20 | 5.7% |
| 2024 | 23 | 6.5% |
| 2025partial year | 10 | 2.8% |
Which technologies does Praxair Technology, Inc. patent most?
Top 15 of 123 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Praxair Technology, Inc.'s patent record in context - here's where to go next.
- Praxair Technology, Inc.'s lead technology class is F25J (Liquefaction, Solidification OR Separation OF Gases OR Gaseous ; OR Liquefied GASEOUS; Mixtures BY Pressure AND Cold Treatment ; OR BY Bringing Them Into THE Supercritical State), 32.4% of its portfolio - see every assignee active in that class. Explore F25J
- Ranked #1,204 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Praxair Technology, Inc. against AIR Products AND Chemicals, Inc., an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 57.5/100 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.