Where does Plow & Hearth, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Plow & Hearth, LLC ranks #20,249 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 Plow & Hearth, LLC hold?

Plow & Hearth, LLC holds 14 US utility patents granted between 2015 and 2018, spanning 10 technology areas.

What is Plow & Hearth, LLC's Innovation Score?

Plow & Hearth, LLC has an Innovation Score of 27.6 out of 100 (24th 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 Plow & Hearth, LLC focus on?

Plow & Hearth, LLC's top technology area is A63H (Toys, e.g. Tops, Dolls, Hoops OR Building Blocks) with 5 patents, ranking #67 of 312 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

Is Plow & Hearth, LLC's patent grant rate increasing or decreasing?

Plow & Hearth, LLC'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 Plow & Hearth, LLC's patents?

Plow & Hearth, LLC's patents average 11.7 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 Plow & Hearth, LLC 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

Plow & Hearth, LLC

USPTO PatentsView assignee record - 14 granted patents across 10 technology areas, recorded in grant years 2015–2018. 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: A63H (Toys, e.g. Tops, Dolls, Hoops OR Building Blocks).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Plow ranks #20,249 of 49,997 tracked US assignees by granted-patent volume, with 14 patents across 10 technology areas.

#20,249
of 49,997 US assignees by volume: 24th percentile
by Innovation Score (27.6/100): 11.7
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R20249 · US Corporation #20,249 · 14 grants

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

GRANTS-MICRO 14 grants
MID-PACK #20,249/49,997
PHOTO-FINISH Plantas de Navarra…
CPC-FOCUS A63H · 10 areas
INNOV-THIN 27.6/100
CLAIMS-PAR 11.7 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Plantas de Navarra, S.A. Sociedad Unipersonal (±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 Plow’s 27.6 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 9.4 pts (34%) Velocity 0.0 pts (0%) Breadth 11.2 pts (41%) Claim depth 7.0 pts (25%)

Qualcomm Incorporated · highest

85
Plow & Hearth · this assignee

28
3D Lighting… · lowest

7

What this shows Plow's Innovation Score is 27.6/100 (24th 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 Plow?

Each dot is one of Plow’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). Plow’s own 11.7 claims/patent is at or below the 11.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Plow's grants concentrate

Plow & Hearth, LLC is a focused PatentsView assignee: 10 CPC subclasses with 35.7% of grants classified under A63H (Toys, e.g. Tops, Dolls, Hoops OR Building Blocks). Peak complete grant year is 2017 (7 grants) versus a trough of 1 in 2015. By volume, Plow sits between Plantas de Navarra, S.A. Sociedad Unipersonal and Poongsan Corporation.

Plantas de Navarr…

14
Plastek Industries

14
Playmakar

14
Plexium

14
Pogotec

14
Polycorp

14
Polytechnic Insti…

14
Poongsan

14
Plow & Hearth ◀

14

What this shows Plow holds 14 patents at rank #20,259, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Plow

By rank, the assignees closest to #20,259 in granted patent volume.

Leaders in A63H (Toys)

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

Plow's Innovation Score vs. every tracked assignee

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

28 24th percentile higher than 24% 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 · 2015–2018

Grants by year

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

View data table

Plow & Hearth, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	7.1%
2016	4	28.6%
2017	7	50.0%
2018	2	14.3%

Which technologies does Plow & Hearth, LLC patent most?

A63H - Toys, e.g. Tops, Dolls, Hoops OR Building Blocks 5

A63G - MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; Similar Devices FOR Public Amusement 3

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 3

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 3

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 3

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 3

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 3

A01D - HARVESTING; Mowing 2

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 1

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 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

Plow & Hearth, LLC's patent record in context - here's where to go next.

Plow & Hearth, LLC's lead technology class is A63H (Toys, e.g. Tops, Dolls, Hoops OR Building Blocks), 35.7% of its portfolio - see every assignee active in that class. Explore A63H
Ranked #20,249 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Plow & Hearth, LLC against Plantas de Navarra, S.A. Sociedad Unipersonal, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.6/100 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.