Where does HotStart, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), HotStart, Inc. ranks #35,729 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does HotStart, Inc. hold?

HotStart, Inc. holds 7 US utility patents granted between 2017 and 2025, spanning 16 technology areas.

What is HotStart, Inc.'s Innovation Score?

HotStart, Inc. has an Innovation Score of 28.9 out of 100 (29th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does HotStart, Inc. focus on?

HotStart, Inc.'s top technology area is F01P (Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines) with 2 patents, ranking #103 of 253 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

Is HotStart, Inc.'s patent grant rate increasing or decreasing?

HotStart, 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 HotStart, Inc.'s patents?

HotStart, Inc.'s patents average 8.9 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 HotStart, 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

HotStart, Inc.

USPTO PatentsView assignee record - 7 granted patents across 16 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: F01P (Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hotstart ranks #35,729 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 16 technology areas.

#35,729
of 49,997 US assignees by volume: 29th percentile
by Innovation Score (28.9/100): 8.9
avg claims per patent: +100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R35729 · US Corporation #35,729 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #35,729/49,997
PHOTO-FINISH Hopgrade
CPC-FOCUS F01P · 16 areas
INNOV-THIN 28.9/100
CLAIMS-PAR 8.9 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hopgrade, 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.

How Hotstart’s 28.9 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 7.2 pts (25%) Velocity 2.2 pts (8%) Breadth 14.1 pts (49%) Claim depth 5.3 pts (18%)

Qualcomm Incorporated · highest

85
Gems Sensors · near

29
HotStart · this assignee

29
Lyvgen Biopharma… · near

29
RUNNER(XIAMEN) · near

29
Seari Electric… · near

29
3D Lighting… · lowest

7

What this shows Hotstart's Innovation Score is 28.9/100 (29th percentile 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 Hotstart?

Each dot is one of Hotstart’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). Hotstart’s own 8.9 claims/patent is at or below the 15.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hotstart's grants concentrate

HotStart, Inc. is a focused PatentsView assignee: 16 CPC subclasses with 28.6% of grants classified under F01P (Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines). Peak complete grant year is 2021 (3 grants) versus a trough of 1 in 2017. By volume, Hotstart sits between Hopgrade, Inc. and Hoyos Labs IP Ltd..

Hotstart's three-year grant acceleration

HotStart, Inc. shows 1 grants in 2022–2024 against only 3 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.

Hopgrade

7
Horizon Therapeut…

7
Horning Manufactu…

7
Horst Siedle & KG

7
Hotberry

7
Hougen Manufactur…

7
House of Forgings

7
Hoyos Labs IP

7
Hotstart ◀

7

What this shows HotStart holds 7 patents at rank #35,749, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near HotStart

By rank, the assignees closest to #35,749 in granted patent volume.

Leaders in F01P (Cooling OF Machines OR Engines IN General)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for HotStart, neither rank-band nor same-CPC leaders (those blocks stay above). In F01P (Cooling OF Machines OR Engines IN General), HotStart ranks #103 of 253 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (29 here).

Lyvgen Biopharma Holdings Limited 29 Gems Sensors Inc. 29 RUNNER(XIAMEN) Corp. 29 Seari Electric Technology Co., Ltd. 29

Hotstart's Innovation Score vs. every tracked assignee

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

29 29th percentile higher than 29% 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 · 2017–2025

Grants by year

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

View data table

HotStart, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	14.3%
2018	1	14.3%
2021	3	42.9%
2022	1	14.3%
2025partial year	1	14.3%

Which technologies does HotStart, Inc. patent most?

F01P - Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines 2

F02D - Controlling Combustion Engines 1

F02N - Starting OF Combustion ENGINES; Starting Aids FOR Such Engines, NOT Otherwise Provided FOR 1

F24V - Collection, Production OR USE OF Heat NOT Otherwise Provided FOR 1

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 1

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 1

Y02T - Climate Change Mitigation Technologies Related TO Transportation 1

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 1

F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants 1

F23R - Generating Combustion Products OF High Pressure OR High Velocity, e.g. Gas-turbine Combustion Chambers 1

F02B - Internal-combustion Piston ENGINES; Combustion Engines IN General 1

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines 1

F23C - Methods OR Apparatus FOR Combustion Using Fluid Fuel OR Solid Fuel Suspended IN ; A Carrier GAS OR; AIR 1

B61C - LOCOMOTIVES; Motor Railcars 1

F24D - Domestic- OR Space-heating Systems, e.g. Central Heating SYSTEMS; Domestic Hot-water Supply SYSTEMS; Elements OR Components Therefor 1

Top 15 of 16 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

HotStart, Inc.'s patent record in context - here's where to go next.

HotStart, Inc.'s lead technology class is F01P (Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines), 28.6% of its portfolio - see every assignee active in that class. Explore F01P
Ranked #35,729 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare HotStart, Inc. against Hopgrade, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 28.9/100 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.