Overall rank by patents
#27,479
Across all tracked assignees
USPTO 2015–2025 USPTO PatentsView Foreign Corporation
Silverwell Technology Limited
USPTO PatentsView assignee record - 10 granted patents across 6 technology areas, active 2021–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: E21B (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS).
10
Total patents granted
6
CPC technology areas
15.0
Avg claims per patent
-
5-year filing velocity
The verdict
Silverwell holds 10 US patents across 6 technology areas, rank #27,479 of 50,000 tracked assignees.
- #27,479
- of 50,000 US assignees by volume
- Top 22%
- by Innovation Score (45.9/100)
- 15.0
- avg claims per patent
Portfolio overview
Silverwell Technology Limited has been granted 10 US utility patents between 2021 and 2025, placing Silverwell Technology Limited at rank #27,479 across all assignees tracked by PlainPatent. This portfolio spans 6 distinct Cooperative Patent Classification (CPC) subclasses, averaging 15.0 claims per patent with primary concentration in E21B (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS). As a Foreign Corporation, Silverwell Technology Limited is one of the more focused assignees in the PatentsView dataset. By volume, Silverwell sits between Silatronix, Inc (10 patents, rank #27,475) and Siren Care, Inc. (10 patents, rank #27,483) - the closest US assignees by grant volume. The composite Innovation Score of 45.9/100 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. Historical data spans 2021 through 2025, with 10 total grants over that period. Velocity comparisons require five years of historical filings to calibrate. 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. Silverwell Technology Limited's 15.0 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 6 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Silverwell Technology Limited against peers pursuing similar technology classes.
Who files at Silverwell's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Silatronix
Silatronix, Inc
10 patents
- Silicon Turbine S…
Silicon Turbine Systems, Inc.
10 patents
- Silver Creek Phar…
Silver Creek Pharmaceuticals, Inc.
10 patents
- Silverstream B V
Silverstream Technologies B.V.
10 patents
- Simless
Simless, Inc.
10 patents
- Simple Wishes
Simple Wishes LLC
10 patents
- Simplec
SimpleC, LLC
10 patents
- Siren Care
Siren Care, Inc.
10 patents
- Silverwell Techno… ◀
Silverwell Technology Limited
10 patents
What this shows Silverwell holds 10 patents at rank #27,479, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Silverwell
By rank, the assignees closest to #27,479 in granted patent volume.
- Silatronix, Inc #27,475 · 10 patents
- Silicon Turbine Systems, Inc. #27,476 · 10 patents
- Silver Creek Pharmaceuticals, Inc. #27,477 · 10 patents
- Silverstream Technologies B.v. #27,478 · 10 patents
- Simless, Inc. #27,480 · 10 patents
- Simple Wishes Llc #27,481 · 10 patents
- Simplec, Llc #27,482 · 10 patents
- Siren Care, Inc. #27,483 · 10 patents
Leaders in E21B (Earth OR ROCK Drilling)
Other assignees with the most granted patents in Silverwell's primary technology class.
- Halliburton Energy Services, Inc. 6,516 in class
- Schlumberger Technology Corporation 3,244 in class
- Saudi Arabian OIL Company 3,064 in class
- Baker Hughes Holdings Llc 1,273 in class
- Baker Hughes, A GE Company, Llc 1,107 in class
- Weatherford Technology Holdings, Llc 829 in class
- Baker Hughes Oilfield Operations Llc 598 in class
- Cameron International Corporation 514 in class
Silverwell's Innovation Score vs. every tracked assignee
Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)
46 Top 22% higher than 78% of 50,000 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2021 | 1 | 10.0% |
| 2022 | 5 | 50.0% |
| 2023 | 1 | 10.0% |
| 2024 | 1 | 10.0% |
| 2025 | 2 | 20.0% |
Which technologies does Silverwell Technology Limited patent most?
Top 6 of 6 technology areas
Patent Moat Analysis
Portfolio Volume Light
Tech Breadth Focused
Claim Depth Standard
Frequently Asked Questions
How many patents does Silverwell Technology Limited hold?
Silverwell Technology Limited holds 10 US granted patents filed between 2021 and 2025, spanning 6 technology areas.
What is Silverwell Technology Limited's Innovation Score?
Silverwell Technology Limited has an Innovation Score of 45.9 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does Silverwell Technology Limited focus on?
Silverwell Technology Limited's top technology area is E21B (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS) with 10 patents. The company has filed patents in 6 CPC subclasses total.
Is Silverwell Technology Limited's patent filing rate increasing or decreasing?
Insufficient historical data is available to calculate a velocity trend for Silverwell Technology Limited.
What does claim depth mean for Silverwell Technology Limited's patents?
Silverwell Technology Limited's patents average 15.0 claims each. This falls within the standard range, providing solid legal coverage.
How is the Silverwell Technology 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.
How to use this portfolio
Silverwell's 10 grants land it in the top 22% by Innovation Score, but volume alone doesn't tell you where the strength sits.
- Read that count against the largest US assignees before treating it as dominance - Silverwell ranks #27,479 of 50,000. Top 50 holders
- Most of this portfolio concentrates in E21B - see who else leads that technology area. E21B leaders
- Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works
Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.
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.