Where does Tuthill Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tuthill Corporation ranks #21,957 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 Tuthill Corporation hold?

Tuthill Corporation holds 13 US utility patents granted between 2015 and 2022, spanning 13 technology areas.

What is Tuthill Corporation's Innovation Score?

Tuthill Corporation has an Innovation Score of 31.9 out of 100 (top 61% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Tuthill Corporation's patent grant rate increasing or decreasing?

Tuthill Corporation's recent grant velocity is -37% 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 Tuthill Corporation's patents?

Tuthill Corporation's patents average 10.1 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 Tuthill Corporation 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

Tuthill Corporation

Q: What technology areas does Tuthill Corporation focus on?

Tuthill Corporation's top technology area is F04C (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS) with 5 patents. Grants appear in 13 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 13 technology areas, recorded in grant years 2015–2022. 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, Tuthill ranks #21,957 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 13 technology areas.

#21,957
of 50,000 US assignees by volume: Top 61%
by Innovation Score (31.9/100): 10.1
avg claims per patent: -37%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21957 · US Corporation #21,957 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,957/50,000
PHOTO-FINISH Troy Industries
CPC-FOCUS F04C · 13 areas
INNOV-THIN 31.9/100
CLAIMS-PAR 10.1 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -37% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Troy Industries, 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.

Qualcomm Incorporated · highest

85
Tuthill · this assignee

32
3D Lighting Innovati… · lowest

7

What this shows Tuthill's Innovation Score is 31.9/100 (top 61% 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 Tuthill's grants concentrate

Tuthill Corporation is a focused PatentsView assignee: 13 CPC subclasses with 38.5% 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 2019 (3 grants) versus a trough of 1 in 2017. By volume, Tuthill sits between Troy Industries, Inc. and U.s. Pole Company, Inc..

Troy Industries

13
Truu

13
Truper de C V

13
Turf Design

13
Tyco (Shenzhen)

13
Tyco Holdings (Be…

13
U S Government as…

13
U S Pole

13
Tuthill ◀

13

What this shows Tuthill holds 13 patents at rank #21,956, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tuthill

By rank, the assignees closest to #21,956 in granted patent volume.

Leaders in F04C (Rotary-piston)

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

Tuthill's Innovation Score vs. every tracked assignee

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

32 Top 61% higher than 39% 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 · 2015–2022

Grants by year

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

View data table

Tuthill Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	15.4%
2017	1	7.7%
2018	2	15.4%
2019	3	23.1%
2020	2	15.4%
2022	3	23.1%

Which technologies does Tuthill Corporation patent most?

F04C - ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS 5

H02K - DYNAMO-ELECTRIC MACHINES 5

H01R - ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3

F01C - ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 3

F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 3

B65D - CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 2

F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 2

F04D - NON-POSITIVE-DISPLACEMENT PUMPS 2

B01F - MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING 1

G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME 1

F16L - PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL 1

B67D - DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 1

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 1

Top 13 of 13 technology areas

Where it ranks

Overall rank by patents

#21,957

of 50,000 tracked assignees

Innovation Score

31.9 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.