Where does Greyrock Energy, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Greyrock Energy, Inc. ranks #47,198 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 Greyrock Energy, Inc. hold?

Greyrock Energy, Inc. holds 5 US utility patents granted between 2015 and 2017, spanning 10 technology areas.

What is Greyrock Energy, Inc.'s Innovation Score?

Greyrock Energy, Inc. has an Innovation Score of 25.5 out of 100 (18th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Greyrock Energy, 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 Greyrock Energy, Inc.'s patents?

Greyrock Energy, Inc.'s patents average 13.6 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 Greyrock Energy, 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

Greyrock Energy, Inc.

Q: What technology areas does Greyrock Energy, Inc. focus on?

Greyrock Energy, Inc.'s top technology area is 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) with 5 patents, ranking #123 of 450 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 10 technology areas, recorded in grant years 2015–2017. 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: 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-lig).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Greyrock ranks #47,198 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 10 technology areas.

#47,198
of 49,997 US assignees by volume: 18th percentile
by Innovation Score (25.5/100): 13.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R47198 · US Corporation #47,198 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #47,198/49,997
PHOTO-FINISH Greentouch USA
CPC-FOCUS C10L · 10 areas
INNOV-THIN 25.5/100
CLAIMS-RICH 13.6 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Greentouch USA, 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 Greyrock’s 25.5 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 6.2 pts (24%) Velocity 0.0 pts (0%) Breadth 11.2 pts (44%) Claim depth 8.2 pts (32%)

Qualcomm Incorporated · highest

85
Archimedes Controls · near

26
Art Design Works · near

26
Fyfe · near

26
Greyrock Energy · this assignee

26
LeafFilter North · near

26
3D Lighting… · lowest

7

What this shows Greyrock's Innovation Score is 25.5/100 (18th 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 Greyrock?

Each dot is one of Greyrock’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). Greyrock’s own 13.6 claims/patent is ABOVE the 12.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Greyrock's grants concentrate

Greyrock Energy, Inc. is a focused PatentsView assignee: 10 CPC subclasses with 100% of grants classified under 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-lig). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2015. By volume, Greyrock sits between Greentouch USA, Inc. and Group 47, Inc..

Greentouch USA

5
Gregory Enterpris…

5
Greif Packaging

5
Grey Wall Software

5
Grillbot

5
Griply

5
Groovetech Tools

5
Group 47

5
Greyrock Energy ◀

5

What this shows Greyrock holds 5 patents at rank #47,246, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Greyrock

By rank, the assignees closest to #47,246 in granted patent volume.

Leaders in C10L (Fuels)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Greyrock, neither rank-band nor same-CPC leaders (those blocks stay above). In C10L (Fuels), Greyrock ranks #123 of 450 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (26 here).

Fyfe Co., LLC 26 Art Design Works LLC 26 LeafFilter North, LLC 26 Archimedes Controls Corp. 26

Greyrock's Innovation Score vs. every tracked assignee

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

26 18th percentile higher than 18% 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 · 2015–2017

Grants by year

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

View data table

Greyrock Energy, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	20.0%
2016	2	40.0%
2017	2	40.0%

Which technologies does Greyrock Energy, Inc. patent most?

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 5

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 4

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 4

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 3

C10K - Purifying OR Modifying THE Chemical Composition OF Combustible Gases Containing Carbon Monoxide 3

C10J - Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 2

C22C - Alloys 1

C07C - Acyclic OR Carbocyclic Compounds 1

Top 10 of 10 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

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

Greyrock Energy, Inc.'s lead technology class is 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-lig), 100% of its portfolio - see every assignee active in that class. Explore C10L
Ranked #47,198 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Greyrock Energy, Inc. against Greentouch USA, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.5/100 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.