Where does Andrew J Hart Enterprises Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Andrew J Hart Enterprises Limited ranks #44,711 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 Andrew J Hart Enterprises Limited hold?

Andrew J Hart Enterprises Limited holds 5 US utility patents granted between 2017 and 2021, spanning 4 technology areas.

What is Andrew J Hart Enterprises Limited's Innovation Score?

Andrew J Hart Enterprises Limited has an Innovation Score of 26.8 out of 100 (22nd 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 Andrew J Hart Enterprises Limited focus on?

Andrew J Hart Enterprises Limited's top technology area is A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories) with 5 patents, ranking #77 of 376 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Andrew J Hart Enterprises Limited's patent grant rate increasing or decreasing?

Andrew J Hart Enterprises Limited'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 Andrew J Hart Enterprises Limited's patents?

Andrew J Hart Enterprises Limited's patents average 22.6 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 Andrew J Hart Enterprises 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

Andrew J Hart Enterprises Limited

USPTO PatentsView assignee record - 5 granted patents across 4 technology areas, recorded in grant years 2017–2021. 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: A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Andrew ranks #44,711 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 4 technology areas.

#44,711
of 49,997 US assignees by volume: 22nd percentile
by Innovation Score (26.8/100): 22.6
avg claims per patent: +50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44711 · Foreign Corporation #44,711 · 5 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-DENSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 5 grants
LOWER-Q #44,711/49,997
PHOTO-FINISH Anbel Plastic…
CPC-NARROW A47K · 4 areas
INNOV-THIN 26.8/100
CLAIMS-DENSE 22.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Anbel Plastic Manufacturing 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 Andrew’s 26.8 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 (23%) Velocity 0.0 pts (0%) Breadth 7.1 pts (26%) Claim depth 13.6 pts (51%)

Qualcomm Incorporated · highest

85
Andrew J Hart… · this assignee

27
3D Lighting… · lowest

7

What this shows Andrew's Innovation Score is 26.8/100 (22nd 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 Andrew?

Each dot is one of Andrew’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). Andrew’s own 22.6 claims/patent is ABOVE the 17.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Andrew's grants concentrate

Andrew J Hart Enterprises Limited is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories). Peak complete grant year is 2020 (2 grants) versus a trough of 1 in 2017. By volume, Andrew sits between Anbel Plastic Manufacturing Ltd and Angelcare Canada Inc..

Anbel Plastic Man…

5
Andes Biotechnolo…

5
Andor Technology

5
Andreu World Desi…

5
Andritz Hydro Can…

5
Andritz Kmpt

5
Anenda Systems

5
Angelcare Canada

5
Andrew J Hart Ent… ◀

5

What this shows Andrew holds 5 patents at rank #44,550, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Andrew

By rank, the assignees closest to #44,550 in granted patent volume.

Leaders in A47K (Sanitary Equipment)

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

Andrew's Innovation Score vs. every tracked assignee

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

27 22nd percentile higher than 22% 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 · 2017–2021

Grants by year

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

View data table

Andrew J Hart Enterprises Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	20.0%
2019	1	20.0%
2020	2	40.0%
2021	1	20.0%

Which technologies does Andrew J Hart Enterprises Limited patent most?

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 5

A61G - Transport, Personal Conveyances, OR Accommodation Specially Adapted FOR Patients OR Disabled Persons ; Operating Tables OR CHAIRS; Chairs FOR DENTISTRY; Funeral Devices 5

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 2

Y10T - Technical Subjects Covered BY Former US Classification 2

Top 4 of 4 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

Andrew J Hart Enterprises Limited's patent record in context - here's where to go next.

Andrew J Hart Enterprises Limited's lead technology class is A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories), 100% of its portfolio - see every assignee active in that class. Explore A47K
Ranked #44,711 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Andrew J Hart Enterprises Limited against Anbel Plastic Manufacturing Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.8/100 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.