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For the Inventor, By the Inventor

Chicago, IL, United States of America

Amco LLC


USPTO Granted Patents = 32

% Expired Patents = 3.1


Trademarks = 8

Forward Citations = 796

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22 inventors (with patents filed for the assignee):

goldMedal Wade A Bentson (8 out of 8 patents)

silverMedal Irwin Kulbersh (6 out of 7 patents)

bronzeMedal John P Chap (4 out of 54 patents)

4.  Ralph Ettlinger, Jr (4 out of 6 patents)

5.  Ralph B Olson (4 out of 4 patents)

6.  Paul Green (3 out of 3 patents)

7.  Abbe Sennett (2 out of 2 patents)

8.  Ken Streit (2 out of 2 patents)

9.  John A Biela (2 out of 4 patents)

10.  Wade S Bentson (2 out of 3 patents)

11.  Pasquale Bruno (2 out of 2 patents)

12.  Robert W Sheldon (1 out of 54 patents)

13.  Steve Slowik (1 out of 4 patents)

14.  Arun Kumar Majumdar (1 out of 15 patents)

15.  William M Covert (1 out of 1 patent)


Core Competencies:
Data Clustering
Utensil Handle
Roast Rack
Adjustable Shelves
Modular Carrier
De-seeding Device
Wall Mounting
Spray Head
Tortilla Fryer
Storage System
Wine Rack
Cooking Rack

32 patents:

1. 8566321 - Relativistic concept measuring system for data clustering (2013-10-22),
2. D400396 - Utensil handle (1998-11-03),
3. D387949 - Roast rack (1997-12-23),
4. 5592886 - Adjustable wall-mounted system for shelves (1997-01-14),
5. D353514 - Handle for hand-held implements (1994-12-20),
6. 5332102 - Device for de-seeding popcorn (1994-07-26),
7. D348180 - Device for de-seeding popcorn (1994-06-28),
8. D338792 - Shelf (1993-08-31),
9. D330863 - Measuring cup (1992-11-10),
10. D305715 - Cannister (1990-01-30),
11. 4852501 - Adjustable rack of shelves (1989-08-01),
12. 4815394 - Adjustable rack of shelves (1989-03-28),
13. 4811877 - Modular luggage carrier with sliding tie-down bracket stabilized against (1989-03-14),
14. 4754712 - Adjustable rack of shelves (1988-07-05),
15. 4729485 - Fence or partition for a shelf (1988-03-08),
Company Overview
Amco LLC, based in Chicago, IL, specializes in the development and manufacturing of advanced materials and components for various industries. The company focuses on innovative solutions that enhance performance and efficiency across sectors such as automotive, aerospace, and industrial applications. With a commitment to research and development, Amco LLC aims to push the boundaries of technology, providing high-quality products that meet the evolving needs of its clients while maintaining a strong emphasis on sustainability and environmental responsibility.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

32 Patents

#141 in Chicago, IL

#571 in Illinois

#10,607 in US

#20,697 in the World

Chicago, IL (US)
Chicago, IL, United States of America

Amco LLC

Forward Citations = 796

22 inventors:

goldMedal Wade A Bentson (8 out of 8 patents)

silverMedal Irwin Kulbersh (6 out of 7 patents)

bronzeMedal John P Chap (4 out of 54 patents)

4.  Ralph Ettlinger, Jr (4 out of 6 patents)

5.  Ralph B Olson (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amco LLC. Retrieved from https://idiyas.com/company/amco

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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