Where does Sundrop Fuels, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sundrop Fuels, Inc. ranks #23,478 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 Sundrop Fuels, Inc. hold?

Sundrop Fuels, Inc. holds 12 US utility patents granted between 2015 and 2019, spanning 18 technology areas.

What is Sundrop Fuels, Inc.'s Innovation Score?

Sundrop Fuels, Inc. has an Innovation Score of 32.6 out of 100 (42nd 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 Sundrop Fuels, Inc. focus on?

Sundrop Fuels, Inc.'s top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 12 patents, ranking #1,089 of 5,963 assignees active in that subclass. Grants appear in 18 CPC subclasses total.

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

Sundrop Fuels, Inc.'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.

What does claim depth mean for Sundrop Fuels, Inc.'s patents?

Sundrop Fuels, Inc.'s patents average 14.6 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 Sundrop Fuels, 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

Sundrop Fuels, Inc.

USPTO PatentsView assignee record - 12 granted patents across 18 technology areas, recorded in grant years 2015–2019. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sundrop ranks #23,478 of 49,997 tracked US assignees by granted-patent volume, with 12 patents across 18 technology areas.

#23,478
of 49,997 US assignees by volume: 42nd percentile
by Innovation Score (32.6/100): 14.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R23478 · US Corporation #23,478 · 12 grants

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

GRANTS-MICRO 12 grants
MID-PACK #23,478/49,997
PHOTO-FINISH Straxcorp Pty
CPC-FOCUS Y02E · 18 areas
INNOV-THIN 32.6/100
CLAIMS-RICH 14.6 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Straxcorp Pty 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 Sundrop’s 32.6 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 8.9 pts (27%) Velocity 0.0 pts (0%) Breadth 15.0 pts (46%) Claim depth 8.7 pts (27%)

Qualcomm Incorporated · highest

85
Sundrop Fuels · this assignee

33
3D Lighting… · lowest

7

What this shows Sundrop's Innovation Score is 32.6/100 (42nd 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 Sundrop?

Each dot is one of Sundrop’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). Sundrop’s own 14.6 claims/patent is at or below the 19.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Sundrop's grants concentrate

Sundrop Fuels, Inc. is a focused PatentsView assignee: 18 CPC subclasses with 100% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2015 (5 grants) versus a trough of 1 in 2017. By volume, Sundrop sits between Straxcorp Pty Ltd and Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences.

Straxcorp Pty

12
Sturman Digital S…

12
Subsea 7 do Brasi…

12
Sumitomo Dainippo…

12
Superb AI

12
Surfacide

12
Surgimatix

12
Suzhou Institute…

12
Sundrop Fuels ◀

12

What this shows Sundrop holds 12 patents at rank #23,477, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sundrop

By rank, the assignees closest to #23,477 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Sundrop's Innovation Score vs. every tracked assignee

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

33 42nd percentile higher than 42% 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 · 2015–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Sundrop Fuels, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	5	41.7%
2016	3	25.0%
2017	1	8.3%
2019	3	25.0%

Which technologies does Sundrop Fuels, Inc. patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 12

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 11

C10J - Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases 10

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes 9

C10L - Fuels NOT Otherwise Provided FOR; Natural GAS; Synthetic Natural GAS Obtained BY Processes NOT Covered BY Subclasses C10g OR C10K; Liquified Petroleum GAS; USE OF Additives TO Fuels OR FIRES; Fire-lighters 8

C07C - Acyclic OR Carbocyclic Compounds 8

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 7

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 6

C10K - Purifying OR Modifying THE Chemical Composition OF Combustible Gases Containing Carbon Monoxide 6

Y02T - Climate Change Mitigation Technologies Related TO Transportation 3

F24S - Solar Heat COLLECTORS; Solar Heat Systems 2

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 2

D21C - Production OF Cellulose BY Removing Non-cellulose Substances From Cellulose-containing MATERIALS; Regeneration OF Pulping LIQUORS; Apparatus Therefor 2

C10B - Destructive Distillation OF Carbonaceous Materials FOR Production OF GAS, Coke, TAR, OR Similar Materials 2

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 1

Top 15 of 18 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

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

Sundrop Fuels, Inc.'s lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 100% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #23,478 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sundrop Fuels, Inc. against Straxcorp Pty Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 32.6/100 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.