Where does Longvale Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Longvale Ltd ranks #48,443 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 Longvale Ltd hold?

Longvale Ltd holds 5 US utility patents granted between 2017 and 2023, spanning 3 technology areas.

What is Longvale Ltd's Innovation Score?

Longvale Ltd has an Innovation Score of 36.1 out of 100 (top 47% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Longvale Ltd's patent grant rate increasing or decreasing?

Longvale Ltd's recent grant velocity is +50% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Longvale Ltd's patents?

Longvale Ltd's patents average 17.4 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 Longvale Ltd 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 Foreign Corporation

Longvale Ltd

Q: What technology areas does Longvale Ltd focus on?

Longvale Ltd's top technology area is G01D (Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR) with 4 patents, ranking #273 of 1,381 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 3 technology areas, recorded in grant years 2017–2023. 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: G01D (Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT OT).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Longvale ranks #48,443 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 3 technology areas.

#48,443
of 49,997 US assignees by volume: Top 47%
by Innovation Score (36.1/100): 17.4
avg claims per patent: +50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48443 · Foreign Corporation #48,443 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,443/49,997
PHOTO-FINISH Logisteed
CPC-NARROW G01D · 3 areas
INNOV-THIN 36.1/100
CLAIMS-RICH 17.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Logisteed, 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 Longvale’s 36.1 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 (17%) Velocity 13.3 pts (37%) Breadth 6.1 pts (17%) Claim depth 10.4 pts (29%)

Qualcomm Incorporated · highest

85
Longvale · this assignee

36
3D Lighting… · lowest

7

What this shows Longvale's Innovation Score is 36.1/100 (top 47% 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 Longvale?

Each dot is one of Longvale’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). Longvale’s own 17.4 claims/patent is ABOVE the 11.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Longvale's grants concentrate

Longvale Ltd is a focused PatentsView assignee: 3 CPC subclasses with 80% of grants classified under G01D (Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT OT). Peak complete grant year is 2023 (2 grants) versus a trough of 1 in 2017. By volume, Longvale sits between Logisteed, Ltd. and LOT Vacuum Co., Ltd..

Longvale's three-year grant acceleration

Longvale Ltd shows 2 grants in 2022–2024 against only 1 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.

Logisteed

5
Lohocla Research

5
Lomanco

5
Long Pipes USA

5
Longwide Technolo…

5
Looker Data Scien…

5
Lorom Industrial

5
LOT Vacuum

5
Longvale ◀

5

What this shows Longvale holds 5 patents at rank #48,356, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Longvale

By rank, the assignees closest to #48,356 in granted patent volume.

Leaders in G01D (Measuring NOT Specially Adapted FOR A Specific Variable)

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

Longvale's Innovation Score vs. every tracked assignee

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

36 Top 47% higher than 53% 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 · 2017–2023

Grants by year

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

View data table

Longvale Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	20.0%
2018	1	20.0%
2021	1	20.0%
2023	2	40.0%

Which technologies does Longvale Ltd patent most?

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 4

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 2

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 1

Top 3 of 3 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

Longvale Ltd's patent record in context - here's where to go next.

Longvale Ltd's lead technology class is G01D (Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT OT), 80% of its portfolio - see every assignee active in that class. Explore G01D
Ranked #48,443 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Longvale Ltd against Logisteed, Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.1/100 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.