Where does Columbia Steel Casting Co., Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Columbia Steel Casting Co., Inc. ranks #45,802 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 Columbia Steel Casting Co., Inc. hold?

Columbia Steel Casting Co., Inc. holds 5 US utility patents granted between 2015 and 2020, spanning 5 technology areas.

What is Columbia Steel Casting Co., Inc.'s Innovation Score?

Columbia Steel Casting Co., Inc. has an Innovation Score of 24.2 out of 100 (14th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Columbia Steel Casting Co., Inc.'s patent grant rate increasing or decreasing?

Columbia Steel Casting Co., Inc.'s recent grant velocity is -75% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Columbia Steel Casting Co., Inc.'s patents?

Columbia Steel Casting Co., Inc.'s patents average 16.8 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 Columbia Steel Casting Co., Inc. 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

Columbia Steel Casting Co., Inc.

Q: What technology areas does Columbia Steel Casting Co., Inc. focus on?

Columbia Steel Casting Co., Inc.'s top technology area is F16G (Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor) with 4 patents, ranking #49 of 244 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 5 technology areas, recorded in grant years 2015–2020. 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: F16G (Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Columbia ranks #45,802 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 5 technology areas.

#45,802
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.2/100): 16.8
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45802 · US Corporation #45,802 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,802/49,997
PHOTO-FINISH Colorado Tripod
CPC-NARROW F16G · 5 areas
INNOV-THIN 24.2/100
CLAIMS-RICH 16.8 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Colorado Tripod Company, LLC (±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 Columbia’s 24.2 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 (26%) Velocity 0.0 pts (0%) Breadth 7.9 pts (33%) Claim depth 10.1 pts (42%)

Qualcomm Incorporated · highest

85
Columbia Steel Casting · this assignee

24
3D Lighting… · lowest

7

What this shows Columbia's Innovation Score is 24.2/100 (14th 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 Columbia?

Each dot is one of Columbia’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). Columbia’s own 16.8 claims/patent is ABOVE the 8.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Columbia's grants concentrate

Columbia Steel Casting Co., Inc. is a focused PatentsView assignee: 5 CPC subclasses with 80% of grants classified under F16G (Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2016. By volume, Columbia sits between ColorLink Japan, Ltd. and Combined Manufacturing, Inc..

Colorlink Japan

5
Colorado Tripod

5
Columbia Phytotec…

5
Columbia Power

5
Comar Investments

5
Combain Mobile AB

5
Combi

5
Combined Manufact…

5
Columbia Steel Ca… ◀

5

What this shows Columbia holds 5 patents at rank #45,907, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Columbia

By rank, the assignees closest to #45,907 in granted patent volume.

Leaders in F16G (Belts)

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

Columbia's Innovation Score vs. every tracked assignee

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

24 14th percentile higher than 14% 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 · 2015–2020

Grants by year

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

View data table

Columbia Steel Casting Co., Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	40.0%
2016	1	20.0%
2017	1	20.0%
2020	1	20.0%

Which technologies does Columbia Steel Casting Co., Inc. patent most?

F16G - Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor 4

E02F - DREDGING; Soil-shifting 3

Y10T - Technical Subjects Covered BY Former US Classification 2

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 1

Top 5 of 5 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

Columbia Steel Casting Co., Inc.'s patent record in context - here's where to go next.

Columbia Steel Casting Co., Inc.'s lead technology class is F16G (Belts, Cables, OR Ropes, Predominantly Used FOR Driving PURPOSES; CHAINS; Fittings Predominantly Used Therefor), 80% of its portfolio - see every assignee active in that class. Explore F16G
Ranked #45,802 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Columbia Steel Casting Co., Inc. against ColorLink Japan, Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.2/100 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.