Where does Calphalon Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Calphalon Corporation ranks #17,526 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 Calphalon Corporation hold?

Calphalon Corporation holds 16 US utility patents granted between 2015 and 2021, spanning 8 technology areas.

What is Calphalon Corporation's Innovation Score?

Calphalon Corporation has an Innovation Score of 24.3 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%).

What technology areas does Calphalon Corporation focus on?

Calphalon Corporation's top technology area is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages) with 5 patents, ranking #220 of 793 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

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

Calphalon Corporation's recent grant velocity is -77% 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 Calphalon Corporation's patents?

Calphalon Corporation's patents average 7.4 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 Calphalon 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

Calphalon Corporation

USPTO PatentsView assignee record - 16 granted patents across 8 technology areas, recorded in grant years 2015–2021. 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: A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Calphalon ranks #17,526 of 49,997 tracked US assignees by granted-patent volume, with 16 patents across 8 technology areas.

#17,526
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.3/100): 7.4
avg claims per patent: -77%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R17526 · US Corporation #17,526 · 16 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 16 grants
MID-PACK #17,526/49,997
PHOTO-FINISH Calderco Holdings…
CPC-NARROW A47J · 8 areas
INNOV-THIN 24.3/100
CLAIMS-SPARSE 7.4 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -77% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Calderco Holdings Group, 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 Calphalon’s 24.3 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 9.8 pts (40%) Velocity 0.0 pts (0%) Breadth 10.0 pts (41%) Claim depth 4.5 pts (19%)

Qualcomm Incorporated · highest

85
Calphalon · this assignee

24
3D Lighting… · lowest

7

What this shows Calphalon's Innovation Score is 24.3/100 (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 Calphalon?

Each dot is one of Calphalon’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). Calphalon’s own 7.4 claims/patent is at or below the 10.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Calphalon's grants concentrate

Calphalon Corporation is a focused PatentsView assignee: 8 CPC subclasses with 31.3% of grants classified under A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages). Peak complete grant year is 2016 (7 grants) versus a trough of 1 in 2015. By volume, Calphalon sits between CR Packaging LLC and Centor Design Pty Ltd..

CR Packaging

16
Cummins Filtratio…

16
Curaden

16
Calderco Holdings…

16
Carbyne

16
Cascade Biosystems

16
Celator Pharmaceu…

16
Centor Design Pty

16
Calphalon ◀

16

What this shows Calphalon holds 16 patents at rank #17,559, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Calphalon

By rank, the assignees closest to #17,559 in granted patent volume.

Leaders in A47J (Kitchen Equipment)

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

Calphalon'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 · 2015–2021

Grants by year

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

View data table

Calphalon Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	6.3%
2016	7	43.8%
2017	1	6.3%
2018	3	18.8%
2019	1	6.3%
2020	1	6.3%
2021	2	12.5%

Which technologies does Calphalon Corporation patent most?

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 5

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 3

A47F - Special Furniture, Fittings, OR Accessories FOR Shops, Storehouses, Bars, Restaurants OR THE LIKE; Paying Counters 3

A47G - Household OR Table Equipment 3

B24D - Tools FOR Grinding, Buffing OR Sharpening 3

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 1

C22C - Alloys 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

Top 8 of 8 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

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

Calphalon Corporation's lead technology class is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages), 31.3% of its portfolio - see every assignee active in that class. Explore A47J
Ranked #17,526 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Calphalon Corporation against CR Packaging LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.3/100 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.