USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Edwards Limited

USPTO PatentsView assignee record — 173 granted patents across 75 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F04C (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS).

173
Total patents granted
75
CPC technology areas
14.5
Avg claims per patent
+34%
5-year filing velocity

Portfolio overview

Edwards Limited has been granted 173 US utility patents between 2015 and 2025, placing Edwards Limited at rank #2,266 across all assignees tracked by PlainPatent. This portfolio spans 75 distinct Cooperative Patent Classification (CPC) subclasses, averaging 14.5 claims per patent with primary concentration in F04C (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS). As a Foreign Corporation, Edwards Limited is one of the broader-portfolio assignees in the PatentsView dataset. The composite Innovation Score of 60.1/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 99 grants, compared with 74 in the 2015–2019 window — a +34% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Edwards Limited's 14.5 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 75 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Edwards Limited against peers pursuing similar technology classes.

How does Edwards compare?

Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀

patents

What this shows Edwards holds 173 patents — placing it at rank #2,266 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView — granted utility patents As of 2015–2025

USPTO utility patent grants by year · 2015–2025

51015202530 20152016201720182019202020212022202320242025 13
USPTO utility patent grants by year · 2015–2025

Grants by year

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

View data table
Edwards Limited patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 16 9.2%
2016 21 12.1%
2017 10 5.8%
2018 17 9.8%
2019 10 5.8%
2020 20 11.6%
2021 12 6.9%
2022 14 8.1%
2023 15 8.7%
2024 25 14.5%
2025 13 7.5%

Which technologies does Edwards Limited patent most?

Top 15 of 75 technology areas

Patent Moat Analysis

Portfolio Volume Moderate
Tech Breadth Multi-domain
Claim Depth Standard
Velocity Growing

Where it ranks

Overall rank by patents

#2,266

Across all tracked assignees

Innovation Score

60.1 out of 100

View all rankings →

Data Source

USPTO PatentsView — US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Edwards Limited hold?
Edwards Limited holds 173 US granted patents filed between 2015 and 2025, spanning 75 technology areas.
What is Edwards Limited's Innovation Score?
Edwards Limited has an Innovation Score of 60.1 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does Edwards Limited focus on?
Edwards Limited's top technology area is F04C (ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS) with 71 patents. The company has filed patents in 75 CPC subclasses total.
Is Edwards Limited's patent filing rate increasing or decreasing?
Edwards Limited's recent filing velocity is +34% compared to the prior five-year period. The company is maintaining or growing its patent output.
What does claim depth mean for Edwards Limited's patents?
Edwards Limited's patents average 14.5 claims each. This falls within the standard range, providing solid legal coverage.
How is the Edwards 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.

Learn More

Explore the patent dataset

Data sourced from USPTO PatentsView — official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.

All federal data sources used on this page
  • USPTO PatentsView — official U.S. Patent and Trademark Office bulk patent data. patentsview.org
  • USPTO Patent Application Information Retrieval (PAIR) — application status and file history. uspto.gov/patents/pair
  • USPTO Bulk Data Storage System — comprehensive patent text + claims dataset. bulkdata.uspto.gov
  • USPTO CPC Classification — Cooperative Patent Classification scheme for technology categorization. uspto.gov/cpc
  • SEC EDGAR — public filings cross-reference for assignee corporate entity matching. sec.gov/edgar
  • WIPO PATENTSCOPE — international patent context (related international filings). wipo.int/patentscope