Where does Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. ranks #22,081 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Is Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s patent grant rate increasing or decreasing?

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s recent grant velocity is +125% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s patents?

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s patents average 16.0 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.

Q: How is the Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO PatentsView assignee record - 13 granted patents across 10 technology areas, recorded in grant years 2017–2022. 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: F16K (VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Zhejiang ranks #22,081 of 49,997 tracked US assignees by granted-patent volume, with 13 patents across 10 technology areas.

#22,081
of 49,997 US assignees by volume: Top 46%
by Innovation Score (36.6/100): 16.0
avg claims per patent: +125%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22081 · Foreign Corporation #22,081 · 13 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 13 grants
MID-PACK #22,081/49,997
PHOTO-FINISH Zhangyue Technology
CPC-FOCUS F16K · 10 areas
INNOV-THIN 36.6/100
CLAIMS-RICH 16.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +125% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Zhangyue Technology Co., 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 Zhejiang’s 36.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 9.1 pts (25%) Velocity 6.7 pts (18%) Breadth 11.2 pts (31%) Claim depth 9.6 pts (26%)

Qualcomm Incorporated · highest

85
Zhejiang Sanhua… · this assignee

37
3D Lighting… · lowest

7

What this shows Zhejiang's Innovation Score is 36.6/100 (top 46% 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 Zhejiang?

Each dot is one of Zhejiang’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). Zhejiang’s own 16.0 claims/patent is ABOVE the 12.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Zhejiang vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Zhejiang's grants concentrate

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. is a focused PatentsView assignee: 10 CPC subclasses with 100% of grants classified under F16K (VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating). Peak complete grant year is 2022 (5 grants) versus a trough of 1 in 2017. By volume, Zhejiang sits between Zhangyue Technology Co., Ltd and ZTE Microelectronics Technology Co., Ltd.

Zhejiang's three-year grant acceleration

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. shows 5 grants in 2022–2024 against only 5 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Zhangyue Technolo…

13
Zhejiang FLY CUP

13
Zhejiang Hengyi P…

13
Zhejiang Quhua Fl…

13
Zhejiang Sanhua

13
Zhuhai Hengqin Su…

13
Zoll Respicardia

13
ZTE Microelectron…

13
Zhejiang Sanhua C… ◀

13

What this shows Zhejiang holds 13 patents at rank #22,072, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Zhejiang

By rank, the assignees closest to #22,072 in granted patent volume.

Leaders in F16K (Valves)

Other assignees with the most granted patents in Zhejiang's primary technology class.

Zhejiang's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

37 Top 46% higher than 54% 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

USPTO utility patent grants by year · 2017–2022

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	7.7%
2018	2	15.4%
2019	1	7.7%
2020	2	15.4%
2021	2	15.4%
2022	5	38.5%

Which technologies does Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. patent most?

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 13

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems 8

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 8

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 2

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 2

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 1

B21K - Making Forged OR Pressed Metal Products, e.g. Horse-shoes, Rivets, Bolts OR Wheels 1

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 1

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 1

Y10T - Technical Subjects Covered BY Former US Classification 1

Top 10 of 10 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s patent record in context - here's where to go next.

Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd.'s lead technology class is F16K (VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating), 100% of its portfolio - see every assignee active in that class. Explore F16K
Ranked #22,081 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Zhejiang Sanhua Climate AND Appliance Controls Group Co., Ltd. against Zhangyue Technology Co., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.6/100 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.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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.