Enter assignee name

% Expired Patents = 36.4

Forward Citations = 19

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9 inventors (with patents filed for the assignee):

Michael W Hall (6 out of 9 patents)

Kirk Lang (3 out of 3 patents)

Jack Fletcher (3 out of 4 patents)

4. Michael Hayden (3 out of 3 patents)

5. Donald Boyd (2 out of 2 patents)

6. David A Goodmanson (2 out of 2 patents)

7. Josh Ludwig (1 out of 2 patents)

8. Eric Weatherhead (1 out of 2 patents)

9. Douglas Thomas (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 10174842 - Agitator shaft seal assembly for industrial mixers (2019-01-08),

2. 10034479 - Agitator and dual agitator assembly for use with industrial mixers (2018-07-31),

3. 9968102 - Bowl cooling jacket for industrial mixers (2018-05-15),

4. 9894904 - Bowl cooling jacket for industrial mixers (2018-02-20),

5. 9295956 - Refrigerated agitator assembly for mixers (2016-03-29),

6. 8353621 - Bowl cooling jacket for mixers (2013-01-15),

7. 7182969 - Apparatus and method for continuous rework fermentation (2007-02-27),

8. 6743457 - Reprocessed batter and method for continuous rework fermentation (2004-06-01),

9. 6663336 - Trough lifting mechanism (2003-12-16),

10. 6238165 - Trough lifting mechanism (2001-05-29),

11. 5919495 - Dough transfer hopper (1999-07-06),

Shaffer Manufacturing Corporation is a leading manufacturer of high-quality industrial equipment. With over 50 years of experience, we specialize in producing custom metal fabrication solutions for various industries. Our team of skilled engineers and technicians work closely with clients to design and build innovative products that meet their specific needs. From prototype development to full-scale production, Shaffer Manufacturing Corporation is committed to delivering exceptional quality and service.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#4 in Urbana, OH

#1,143 in Ohio

#27,470 in US

#51,671 in the World

Urbana, OH, United States of America

Shaffer Manufacturing Corporation