Where does Plombco Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Plombco Inc. ranks #29,795 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 Plombco Inc. hold?

Plombco Inc. holds 9 US utility patents granted between 2015 and 2020, spanning 5 technology areas.

What is Plombco Inc.'s Innovation Score?

Plombco Inc. has an Innovation Score of 24.5 out of 100 (15th 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 Plombco Inc. focus on?

Plombco Inc.'s top technology area is B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables) with 3 patents, ranking #324 of 1,019 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

Is Plombco Inc.'s patent grant rate increasing or decreasing?

Plombco Inc.'s recent grant velocity is -87% 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 Plombco Inc.'s patents?

Plombco Inc.'s patents average 14.3 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 Plombco 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 Foreign Corporation

Plombco Inc.

USPTO PatentsView assignee record - 9 granted patents across 5 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: B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Plombco ranks #29,795 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 5 technology areas.

#29,795
of 49,997 US assignees by volume: 15th percentile
by Innovation Score (24.5/100): 14.3
avg claims per patent: -87%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R29795 · Foreign Corporation #29,795 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #29,795/49,997
PHOTO-FINISH Plasma Tech Holdings
CPC-NARROW B65H · 5 areas
INNOV-THIN 24.5/100
CLAIMS-RICH 14.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -87% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Plasma Tech Holdings, LLC (±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 Plombco’s 24.5 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 8.0 pts (33%) Velocity 0.0 pts (0%) Breadth 7.9 pts (32%) Claim depth 8.6 pts (35%)

Qualcomm Incorporated · highest

85
Plombco · this assignee

24
3D Lighting… · lowest

7

What this shows Plombco's Innovation Score is 24.5/100 (15th 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 Plombco?

Each dot is one of Plombco’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). Plombco’s own 14.3 claims/patent is ABOVE the 7.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Plombco's grants concentrate

Plombco Inc. is a focused PatentsView assignee: 5 CPC subclasses with 33.3% of grants classified under B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables). Peak complete grant year is 2016 (3 grants) versus a trough of 1 in 2015. By volume, Plombco sits between Plasma Tech Holdings, LLC and Porto Vinci Ltd. Limited Liability Company.

Plasma Tech Holdi…

9
Plasticolor Molde…

9
Plastipak Bawt S…

9
Playworld Systems

9
Polnox

9
Poltorak

9
Polyone Designed…

9
Porto Vinci Liabi…

9
Plombco ◀

9

What this shows Plombco holds 9 patents at rank #29,805, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Plombco

By rank, the assignees closest to #29,805 in granted patent volume.

Leaders in B65H (Handling Thin OR Filamentary Material)

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

Plombco's Innovation Score vs. every tracked assignee

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

24 15th percentile higher than 15% 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

Plombco Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2016	3	33.3%
2018	1	11.1%
2019	3	33.3%
2020	1	11.1%

Which technologies does Plombco Inc. patent most?

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 3

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 3

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 3

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 2

Y10T - Technical Subjects Covered BY Former US Classification 2

Top 5 of 5 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

Plombco Inc.'s patent record in context - here's where to go next.

Plombco Inc.'s lead technology class is B65H (Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables), 33.3% of its portfolio - see every assignee active in that class. Explore B65H
Ranked #29,795 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Plombco Inc. against Plasma Tech Holdings, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.5/100 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.