Where does Guildline Instruments Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Guildline Instruments Limited ranks #26,424 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 Guildline Instruments Limited hold?

Guildline Instruments Limited holds 10 US utility patents granted between 2015 and 2020, spanning 2 technology areas.

What is Guildline Instruments Limited's Innovation Score?

Guildline Instruments Limited has an Innovation Score of 22.3 out of 100 (10th 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 Guildline Instruments Limited focus on?

Guildline Instruments Limited's top technology area is G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables) with 10 patents, ranking #507 of 3,424 assignees active in that subclass. Grants appear in 2 CPC subclasses total.

Is Guildline Instruments Limited's patent grant rate increasing or decreasing?

Guildline Instruments Limited's recent grant velocity is -75% 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 Guildline Instruments Limited's patents?

Guildline Instruments Limited's patents average 15.1 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 Guildline Instruments Limited 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

Guildline Instruments Limited

USPTO PatentsView assignee record - 10 granted patents across 2 technology areas, recorded in grant years 2015–2020. 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: G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Guildline ranks #26,424 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 2 technology areas.

#26,424
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.3/100): 15.1
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R26424 · Foreign Corporation #26,424 · 10 grants

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

GRANTS-MICRO 10 grants
MID-PACK #26,424/49,997
PHOTO-FINISH Gagemaker
CPC-NARROW G01R · 2 areas
INNOV-THIN 22.3/100
CLAIMS-RICH 15.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Gagemaker, LP (±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 Guildline’s 22.3 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 8.3 pts (37%) Velocity 0.0 pts (0%) Breadth 5.0 pts (22%) Claim depth 9.1 pts (41%)

Qualcomm Incorporated · highest

85
Guildline Instruments · this assignee

22
3D Lighting… · lowest

7

What this shows Guildline's Innovation Score is 22.3/100 (10th 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 Guildline?

Each dot is one of Guildline’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). Guildline’s own 15.1 claims/patent is ABOVE the 13.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Guildline's grants concentrate

Guildline Instruments Limited is a focused PatentsView assignee: 2 CPC subclasses with 100% of grants classified under G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2015. By volume, Guildline sits between Guangdong Zhineng Technology Co., Ltd. and Gas Turbine Efficiency Sweden AB.

Guangdong Zhineng…

10
Guangzhou Ekai Te…

10
Guangzhou Huaduo…

10
Guangzhou Roiskin…

10
GVS S P A

10
GWO XI Stem Cell…

10
Gagemaker

10
Gas Turbine Effic…

10
Guildline Instrum… ◀

10

What this shows Guildline holds 10 patents at rank #26,384, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Guildline

By rank, the assignees closest to #26,384 in granted patent volume.

Leaders in G01R (Measuring Electric Variables)

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

Guildline's Innovation Score vs. every tracked assignee

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

22 10th percentile higher than 10% 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 · 2015–2020

Grants by year

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

View data table

Guildline Instruments Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	10.0%
2016	1	10.0%
2017	4	40.0%
2018	2	20.0%
2020	2	20.0%

Which technologies does Guildline Instruments Limited patent most?

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 10

H03F - Amplifiers 1

Top 2 of 2 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

Guildline Instruments Limited's patent record in context - here's where to go next.

Guildline Instruments Limited's lead technology class is G01R (Measuring Electric VARIABLES; Measuring Magnetic Variables), 100% of its portfolio - see every assignee active in that class. Explore G01R
Ranked #26,424 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Guildline Instruments Limited against Guangdong Zhineng Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.3/100 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.