% Expired Patents = 44.4

Trademarks = 4

Forward Citations = 164

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10 inventors (with patents filed for the assignee):

Scott A Schick (6 out of 9 patents)

Stephen C Thatcher (2 out of 2 patents)

David W Giere (1 out of 1 patent)

4. Steve D Shivvers (1 out of 3 patents)

5. Scott A Shick (1 out of 1 patent)

6. Charles C Shivvers (1 out of 8 patents)

7. Donald H Parkes (1 out of 7 patents)

8. Michael J Schroeder (1 out of 1 patent)

9. Jose A Andrade (1 out of 1 patent)

10. Joaquin A Tormo (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 11796251 - Hemp biomass drying assembly (2023-10-24),

2. 9693501 - Mower with scissor lift mowing height adjustment mechanism (2017-07-04),

3. 8091329 - Device for height adjusting and swinging a mower deck (2012-01-10),

4. 7596936 - Mower deck placed in maintenance and varying height positions (2009-10-06),

5. 7555887 - Mower deck enhancement (2009-07-07),

6. 7028456 - Mower with flip up mowing deck (2006-04-18),

7. 6988351 - Midmount mower apparatus with raiseable and accessible mower deck (2006-01-24),

8. 6434919 - Raiseable mower deck (2002-08-20),

9. 5515669 - Anti-buck device for out-front mower tractors (1996-05-14),

Company Overview

Shivvers Group, Inc. is a leading provider of grain drying and handling equipment for agricultural applications. With over 50 years of experience, Shivvers offers innovative solutions for farmers looking to improve their crop storage and processing efficiency. The company's products include grain dryers, grain spreaders, and grain handling equipment, all designed to meet the needs of modern farming operations. Shivvers is committed to providing high-quality, reliable equipment that helps farmers maximize their yields and profits.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#2 in Corydon, IA

#207 in Iowa

#32,588 in US

Corydon, IA, United States of America

Shivvers Group, Inc.

Forward Citations = 164

10 inventors:

Scott A Schick (6 out of 9 patents)

Stephen C Thatcher (2 out of 2 patents)

David W Giere (1 out of 1 patent)

4. Steve D Shivvers (1 out of 3 patents)

5. Scott A Shick (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shivvers Group, Inc.. Retrieved from https://idiyas.com/company/shivvers-group

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]