Where does Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai ranks #6,334 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Is Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's patent grant rate increasing or decreasing?

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's recent grant velocity is +367% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's patents?

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's patents average 14.2 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

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai

Q: How is the Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai 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 - 53 granted patents across 27 technology areas, recorded in grant years 2016–2025. 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: F04C (Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Gree ranks #6,334 of 49,997 tracked US assignees by granted-patent volume, with 53 patents across 27 technology areas.

#6,334
of 49,997 US assignees by volume: Top 20%
by Innovation Score (46.8/100): 14.2
avg claims per patent: +367%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6334 · Foreign Corporation #6,334 · 53 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 53 grants
UPPER-Q #6,334/49,997
PHOTO-FINISH Flamel Ireland
CPC-FOCUS F04C · 27 areas
INNOV-PAR 46.8/100
CLAIMS-RICH 14.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +367% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Flamel Ireland Limited (±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 Gree’s 46.8 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 13.8 pts (29%) Velocity 6.1 pts (13%) Breadth 18.4 pts (39%) Claim depth 8.5 pts (18%)

Qualcomm Incorporated · highest

85
Citigroup Technology · near

47
EnergyHub · near

47
Gree Green Refrigera… · this assignee

47
Malta · near

47
Presidio Medical · near

47
3D Lighting… · lowest

7

What this shows Gree's Innovation Score is 46.8/100 (top 20% 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 Gree?

Each dot is one of Gree’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). Gree’s own 14.2 claims/patent is ABOVE the 13.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Gree's grants concentrate

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai is a focused PatentsView assignee: 27 CPC subclasses with 47.2% of grants classified under F04C (Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps). Peak complete grant year is 2020 (11 grants) versus a trough of 1 in 2018. By volume, Gree sits between Fuzhou University and Henry Ford Health System.

Gree's three-year grant acceleration

From 2019–2021 to 2022–2024, Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai moved from 24 to 22 grants (0.92x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Fuzhou University

53
Flamel Ireland

53
Greenlee Tools

53
Gilead Pharmasset

53
Guangzhou Shiyuan…

53
Harsco

53
Hello

53
Henry Ford Health…

53
Gree Green Refrig… ◀

53

What this shows Gree holds 53 patents at rank #6,334, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Gree

By rank, the assignees closest to #6,334 in granted patent volume.

Leaders in F04C (Rotary-piston)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Gree, neither rank-band nor same-CPC leaders (those blocks stay above). In F04C (Rotary-piston), Gree ranks #26 of 587 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (47 here).

Malta Inc. 47 Citigroup Technology, Inc. 47 EnergyHub, Inc. 47 Presidio Medical, Inc. 47

Similar claim depth

Nearest assignees by average claims per patent (14.2 here).

Suprema Inc. 14.2 avg Syngenta Limited 14.2 avg Advanced Drainage Systems, Inc. 14.2 avg GD Midea Heating & Ventilating Equipment Co., Ltd. 14.2 avg

Gree's Innovation Score vs. every tracked assignee

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

47 Top 20% higher than 80% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	4	7.5%
2018	1	1.9%
2019	4	7.5%
2020	11	20.8%
2021	9	17.0%
2022	8	15.1%
2023	6	11.3%
2024	8	15.1%
2025partial year	2	3.8%

Which technologies does Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai patent most?

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps 25

H02K - Dynamo-electric Machines 18

F01C - Rotary-piston OR Oscillating-piston Machines OR Engines 15

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 11

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems 7

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 7

Y02T - Climate Change Mitigation Technologies Related TO Transportation 4

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 3

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 2

F04D - Non-positive-displacement Pumps 2

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 2

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 1

B60H - Arrangements OF Heating, Cooling, Ventilating OR Other Air-treating Devices Specially Adapted FOR Passenger OR Goods Spaces OF Vehicles 1

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

Top 15 of 27 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

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's patent record in context - here's where to go next.

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai's lead technology class is F04C (Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps), 47.2% of its portfolio - see every assignee active in that class. Explore F04C
Ranked #6,334 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai against Fuzhou University, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 46.8/100 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.