USPTO 2015–2025 USPTO PatentsView Foreign Corporation

ES Fibervisions Hong Kong Limited

USPTO PatentsView assignee record - 10 granted patents across 14 technology areas, active 2016–2023. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: D01F (CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

6.7

Avg claims per patent

-57%

5-year filing velocity

The verdict

ES holds 10 US patents across 14 technology areas, rank #26,206 of 50,000 tracked assignees.

#26,206
of 50,000 US assignees by volume: Top 67%
by Innovation Score (30.0/100): 6.7
avg claims per patent: -57%
filing velocity, last 5 yrs

Portfolio overview

ES Fibervisions Hong Kong Limited has been granted 10 US utility patents between 2016 and 2023, placing ES Fibervisions Hong Kong Limited at rank #26,206 across all assignees tracked by PlainPatent. This portfolio spans 14 distinct Cooperative Patent Classification (CPC) subclasses, averaging 6.7 claims per patent with primary concentration in D01F (CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS). As a Foreign Corporation, ES Fibervisions Hong Kong Limited is one of the more focused assignees in the PatentsView dataset. By volume, ES sits between Epiroc Drilling Tools Aktiebolag (10 patents, rank #26,202) and Etalim Inc. (10 patents, rank #26,210) - the closest US assignees by grant volume. The composite Innovation Score of 30.0/100 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 3 grants, compared with 7 in the 2015–2019 window, a -57% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. 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. ES Fibervisions Hong Kong Limited's 6.7 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while concentration in 14 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark ES Fibervisions Hong Kong Limited against peers pursuing similar technology classes.

Epiroc Drilling T…

10
ERCA

10
Erich Jaeger + KG

10
ES Fibervisions A…

10
Escort

10
Espros Photonics

10
ETA Scale AB

10
Etalim

10
ES Fibervisions H… ◀

10

What this shows ES holds 10 patents at rank #26,206, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

ES's Innovation Score vs. every tracked assignee

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

30 Top 67% higher than 33% 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

USPTO utility patent grants by year · 2016–2023

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

ES Fibervisions Hong Kong Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	20.0%
2017	1	10.0%
2018	2	20.0%
2019	2	20.0%
2020	1	10.0%
2022	1	10.0%
2023	1	10.0%

Which technologies does ES Fibervisions Hong Kong Limited patent most?

D01F - CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 9

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 8

D04H - MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL ; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION 6

D01D - MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS 3

D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS 2

D02J - FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE 2

D10B - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES 2

D21H - PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 1

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 1

D06C - FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS 1

D02G - CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS 1

A61L - METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES 1

A01N - PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES ; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS 1

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES 1

Top 14 of 14 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Simple

Velocity Declining

Where it ranks

Overall rank by patents

#26,206

Across all tracked assignees

Innovation Score

30.0 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 ES Fibervisions Hong Kong Limited hold?

ES Fibervisions Hong Kong Limited holds 10 US granted patents filed between 2016 and 2023, spanning 14 technology areas.

What is ES Fibervisions Hong Kong Limited's Innovation Score?

ES Fibervisions Hong Kong Limited has an Innovation Score of 30.0 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does ES Fibervisions Hong Kong Limited focus on?

ES Fibervisions Hong Kong Limited's top technology area is D01F (CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS) with 9 patents. The company has filed patents in 14 CPC subclasses total.

Is ES Fibervisions Hong Kong Limited's patent filing rate increasing or decreasing?

ES Fibervisions Hong Kong Limited's recent filing velocity is -57% compared to the prior five-year period. Filing activity has slowed relative to earlier years.

What does claim depth mean for ES Fibervisions Hong Kong Limited's patents?

ES Fibervisions Hong Kong Limited's patents average 6.7 claims each. This is relatively simple claim structure, typical for focused inventions.

How is the ES Fibervisions Hong Kong 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

ES's 10 grants land it in the top 67% 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 - ES ranks #26,206 of 50,000. Top 50 holders
Most of this portfolio concentrates in D01F - see who else leads that technology area. D01F 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.

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.

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team

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.