Where does Kelvin Thermal Technologies, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kelvin Thermal Technologies, Inc. ranks #21,330 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Kelvin Thermal Technologies, Inc. hold?

Kelvin Thermal Technologies, Inc. holds 13 US utility patents granted between 2017 and 2025, spanning 9 technology areas.

What is Kelvin Thermal Technologies, Inc.'s Innovation Score?

Kelvin Thermal Technologies, Inc. has an Innovation Score of 39.5 out of 100 (top 38% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kelvin Thermal Technologies, Inc.'s patent grant rate increasing or decreasing?

Kelvin Thermal Technologies, Inc.'s recent grant velocity is +100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Kelvin Thermal Technologies, Inc.'s patents?

Kelvin Thermal Technologies, Inc.'s patents average 19.1 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.

How is the Kelvin Thermal Technologies, Inc. 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 2015–2025 USPTO PatentsView US Corporation

Kelvin Thermal Technologies, Inc.

Q: What technology areas does Kelvin Thermal Technologies, Inc. focus on?

Kelvin Thermal Technologies, Inc.'s top technology area is F28D (HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT) with 12 patents. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 9 technology areas, recorded in grant years 2017–2025. 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: F28D (HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Kelvin ranks #21,330 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 9 technology areas.

#21,330
of 50,000 US assignees by volume: Top 38%
by Innovation Score (39.5/100): 19.1
avg claims per patent: +100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21330 · US Corporation #21,330 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,330/50,000
PHOTO-FINISH Kaazing
CPC-NARROW F28D · 9 areas
INNOV-THIN 39.5/100
CLAIMS-RICH 19.1 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kaazing Corporation (±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
Kelvin Thermal · this assignee

40
3D Lighting Innovati… · lowest

7

What this shows Kelvin's Innovation Score is 39.5/100 (top 38% 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 Kelvin's grants concentrate

Kelvin Thermal Technologies, Inc. is a focused PatentsView assignee: 9 CPC subclasses with 92.3% of grants classified under F28D (HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2017. By volume, Kelvin sits between Kurabe Industrial Co., Ltd. and Kiomars Anvari.

Kurabe Industrial

13
Kyb-ys

13
Kaazing

13
Takai Rika Denki…

13
Kent Pet Group

13
Ki Mobility

13
Kienle + Spiess

13
Kiomars Anvari

13
Kelvin Thermal ◀

13

What this shows Kelvin holds 13 patents at rank #21,345, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kelvin

By rank, the assignees closest to #21,345 in granted patent volume.

Leaders in F28D (Heat-exchange Apparatus)

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

Kelvin's Innovation Score vs. every tracked assignee

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

40 Top 38% higher than 62% 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 · 2017–2025

Grants by year

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

View data table

Kelvin Thermal Technologies, Inc. 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	3	23.1%
2022	2	15.4%
2024	3	23.1%
2025partial year	1	7.7%

Which technologies does Kelvin Thermal Technologies, Inc. patent most?

F28D - HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 12

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 12

B23P - METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 7

F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 5

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 5

H05K - PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 4

G06F - ELECTRIC DIGITAL DATA PROCESSING 2

B81C - PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS 1

C23F - NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D 1

Top 9 of 9 technology areas

Where it ranks

Overall rank by patents

#21,330

of 50,000 tracked assignees

Innovation Score

39.5 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.