Overall rank by patents
#8,898
of 50,000 tracked assignees
USPTO PatentsView assignee record - 36 granted patents across 16 technology areas, recorded in grant years 2021–2025. 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: F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING).
The verdict
According to USPTO PatentsView, Qingdao ranks #8,898 of 50,000 tracked US assignees by granted-patent volume, with 36 patents across 16 technology areas.
USPTO PatentsView assignee plate
Corpus R8898 · Foreign Corporation #8,898 · 36 grants
GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Pillar Vision, 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
Chanel Parfums Beaute · near
52 score
Hongfujin Precision… · near
52 score
Qingdao Haier Air-co… · this assignee
52 score
Raytheon Canada · near
52 score
Sinfonia Technology · near
52 score
3D Lighting Innovati… · lowest
7 score
What this shows Qingdao Haier Air-conditioning Electronic Co., Ltd. stamps GRANTS-SMALL, UPPER-Q, PHOTO-FINISH, CPC-FOCUS, INNOV-PAR, CLAIMS-PAR, TYPE-FRNCORP, SPAN-YRS, BOOK-RICH. Volume places it #8,898 of 50,000; Innovation Score 51.9/100 sits in the top 11% of the PatentsView-derived corpus. Closest grant-volume peer on this plate is Pillar Vision, Inc. (±0 grants).
Qingdao Haier Air-conditioning Electronic Co., Ltd. has been granted 36 US utility patents between 2021 and 2025, placing Qingdao Haier Air-conditioning Electronic Co., Ltd. at #8,898 of 50,000 across all assignees tracked by PlainPatent. This portfolio spans 16 distinct Cooperative Patent Classification (CPC) subclasses, averaging 8.9 claims per patent with primary concentration in F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING). As a Foreign Corporation, Qingdao Haier Air-conditioning Electronic Co., Ltd. is one of the more focused assignees in the PatentsView dataset. By volume, Qingdao sits between PPIP, Llc (36 patents, rank #8,893) and RUAG Ammotec Gmbh (36 patents, rank #8,901) - the closest US assignees by grant volume. The composite Innovation Score of 51.9/100 blends portfolio volume, grant velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.
Grant cadence records the difference between two grant-year windows. Historical data spans 2021 through 2025, with 36 total grants over that period. Grant timing can lag the related application by years, so this comparison does not establish current R&D spending, strategic intent, or a company’s application activity. The Foreign Corporation classification provides context for the assignee record, not a conclusion about its business strategy.
Claim depth and technology breadth describe this aggregate record. Qingdao Haier Air-conditioning Electronic Co., Ltd.'s 8.9 average claims per patent is an average count, not a measure of claim scope, legal strength, enforceability, or design-around risk. The record spans 16 CPC subclasses. Combined with portfolio volume, these figures let readers compare the documented grant records of assignees in similar technology classes.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
PPIP, LLC
36 patents
PRx Performance, LLC
36 patents
Pillar Vision, Inc.
36 patents
QEEXO, CO.
36 patents
Quantinuum LLC
36 patents
Qurio Holdings, Inc.
36 patents
ROYAL GROUP, INC.
36 patents
RUAG Ammotec GmbH
36 patents
QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
36 patents
What this shows Qingdao holds 36 patents at rank #8,897, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #8,897 in granted patent volume.
Other assignees with the most granted patents in Qingdao's primary technology class.
Two PlainPatent-derived peer sets for Qingdao, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (52 here).
Qingdao's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
52 Top 11% higher than 89% 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 2021–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2021 | 2 | 5.6% |
| 2022 | 17 | 47.2% |
| 2023 | 7 | 19.4% |
| 2024 | 9 | 25.0% |
| 2025partial year | 1 | 2.8% |
Top 15 of 16 technology areas
Overall rank by patents
#8,898
of 50,000 tracked assignees
51.9 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.