Is Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited's patent grant rate increasing or decreasing?

Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited's recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited

Q: Where does Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited ranks #24,617 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Q: How is the Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited 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 - 11 granted patents across 9 technology areas, recorded in grant years 2016–2018. 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

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Johnson ranks #24,617 of 50,000 tracked US assignees by granted-patent volume, with 11 patents across 9 technology areas.

#24,617
of 50,000 US assignees by volume: Top 86%
by Innovation Score (24.1/100): 8.3
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R24617 · Foreign Corporation #24,617 · 11 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 11 grants
MID-PACK #24,617/50,000
PHOTO-FINISH Jewelry IP
CPC-NARROW F04C · 9 areas
INNOV-THIN 24.1/100
CLAIMS-PAR 8.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Jewelry IP, Llc (±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.

Qualcomm Incorporated · highest

85
Johnson Controls-hit… · this assignee

24
3D Lighting Innovati… · lowest

7

What this shows Johnson's Innovation Score is 24.1/100 (top 86% 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.

Where Johnson's grants concentrate

Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited is a focused PatentsView assignee: 9 CPC subclasses with 54.5% 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 2017 (5 grants) versus a trough of 2 in 2016. By volume, Johnson sits between Jewelry IP, Llc and Jupiter Research, Llc.

Jewelry IP

11
Jiangsu Alphay Me…

11
Jimmyash

11
Joh Friedrich Beh…

11
Joint-stock “Tran…

11
Jounce Therapeuti…

11
Joylux

11
Jupiter Research

11
Johnson Controls-… ◀

11

What this shows Johnson holds 11 patents at rank #24,608, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Johnson

By rank, the assignees closest to #24,608 in granted patent volume.

Leaders in F04C (Rotary-piston)

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

Johnson's Innovation Score vs. every tracked assignee

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

24 Top 86% higher than 14% 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

USPTO utility patent grants by year · 2016–2018

Grants by year

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

View data table

Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	18.2%
2017	5	45.5%
2018	4	36.4%

Which technologies does Johnson Controls-hitachi Air Conditioning Technology (hong Kong) Limited patent most?

F04C - ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS 6

F25B - REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 5

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 3

B01D - SEPARATION 2

F28D - HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 2

F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 2

F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1

Y02B - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS 1

F25D - REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR 1

Top 9 of 9 technology areas

Where it ranks

Overall rank by patents

#24,617

of 50,000 tracked assignees

Innovation Score

24.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.