Where does Restek Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Restek Corporation ranks #21,687 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 Restek Corporation hold?

Restek Corporation holds 13 US utility patents granted between 2016 and 2025, spanning 15 technology areas.

What is Restek Corporation's Innovation Score?

Restek Corporation has an Innovation Score of 54.0 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Restek Corporation focus on?

Restek Corporation's top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 10 patents, ranking #1,460 of 7,863 assignees active in that subclass. Grants appear in 15 CPC subclasses total.

Is Restek Corporation's patent grant rate increasing or decreasing?

Restek Corporation's recent grant velocity is +350% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Restek Corporation's patents?

Restek Corporation's patents average 18.7 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 Restek Corporation 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

Restek Corporation

USPTO PatentsView assignee record - 13 granted patents across 15 technology areas, recorded in grant years 2016–2025. 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Restek ranks #21,687 of 49,997 tracked US assignees by granted-patent volume, with 13 patents across 15 technology areas.

#21,687
of 49,997 US assignees by volume: Top 8%
by Innovation Score (54.0/100): 18.7
avg claims per patent: +350%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21687 · US Corporation #21,687 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,687/49,997
PHOTO-FINISH Refai L L C
CPC-FOCUS G01N · 15 areas
INNOV-PAR 54.0/100
CLAIMS-RICH 18.7 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +350% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Refai Technologies, L.L.C. (±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 Restek’s 54.0 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 9.1 pts (17%) Velocity 20.0 pts (37%) Breadth 13.7 pts (25%) Claim depth 11.2 pts (21%)

Qualcomm Incorporated · highest

85
Restek · this assignee

54
3D Lighting… · lowest

7

What this shows Restek's Innovation Score is 54.0/100 (top 8% 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 Restek?

Each dot is one of Restek’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). Restek’s own 18.7 claims/patent is ABOVE the 17.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Restek's grants concentrate

Restek Corporation is a focused PatentsView assignee: 15 CPC subclasses with 76.9% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2023 (4 grants) versus a trough of 1 in 2016. By volume, Restek sits between Refai Technologies, L.L.C. and Rf360 Europe GmbH.

Restek's three-year grant acceleration

Restek Corporation shows 8 grants in 2022–2024 against only 1 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Refai L L C

13
Reishauer

13
Renishaw (Ireland)

13
Reprieve Cardiova…

13
Reviva Pharmaceut…

13
Revivo Medical

13
Reyco Granning

13
Rf360 Europe

13
Restek ◀

13

What this shows Restek holds 13 patents at rank #21,666, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Restek

By rank, the assignees closest to #21,666 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Restek's Innovation Score vs. every tracked assignee

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

54 Top 8% higher than 92% 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 · 2016–2025

Grants by year

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

View data table

Restek Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	7.7%
2018	1	7.7%
2021	1	7.7%
2023	4	30.8%
2024	4	30.8%
2025partial year	2	15.4%

Which technologies does Restek Corporation patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 10

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 6

H01J - Electric Discharge Tubes OR Discharge Lamps 5

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 3

Y10T - Technical Subjects Covered BY Former US Classification 2

B01D - Separation 2

B05C - Apparatus FOR Applying Fluent Materials TO Surfaces, IN General 1

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 1

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 1

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 1

B33Y - Additive Manufacturing, i.e. Manufacturing OF Three-dimensional [3-D] Objects BY Additive Deposition, Additive Agglomeration OR Additive Layering, e.g. BY 3-D Printing, Stereolithography OR Selective Laser Sintering 1

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 1

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 1

F17C - Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases 1

Top 15 of 15 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

Restek Corporation's patent record in context - here's where to go next.

Restek Corporation's lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 76.9% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #21,687 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Restek Corporation against Refai Technologies, L.L.C., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.0/100 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.