For the Inventor, By the Inventor

Enter assignee name

Port Washington, WI, United States of America

Simplicity Manufacturing, Inc.

USPTO Granted Patents = 23

Trademarks = 11

Forward Citations = 399

Loading Chart...

Loading Chart...

25 inventors (with patents filed for the assignee):

Daniel W Schaefer (8 out of 11 patents)

Kenneth H Klas (7 out of 10 patents)

Edward Freier, Jr (7 out of 10 patents)

4. Michael P Schemelin (5 out of 9 patents)

5. Igor Kamlukin (4 out of 11 patents)

6. Gary A Hays (3 out of 4 patents)

7. Donald G Penkoske (3 out of 3 patents)

8. John W Schanz (2 out of 17 patents)

9. John F Brackin (2 out of 3 patents)

10. John J Slazas (2 out of 5 patents)

11. Lynn E Hochwitz (2 out of 3 patents)

12. Herbert R Baker (1 out of 7 patents)

13. Richard R Brown (1 out of 1 patent)

14. John F Jacque (1 out of 2 patents)

15. Gerald C Burmesch (1 out of 2 patents)

23 patents: Sort by Forward Citations

1. 6354978 - Differential and method for variable traction control (2002-03-12),

2. 5803474 - Torsion bar rear suspension for ride-on mowers (1998-09-08),

3. D395319 - Vehicle grill (1998-06-16),

4. 5642864 - Chipper vacuum shredder system and apparatus (1997-07-01),

5. 5570570 - Ride-on mower steering and suspension system (1996-11-05),

6. 5474315 - Torsion bar rear suspension for ride-on mowers (1995-12-12),

7. D343175 - Yard waste processor (1994-01-11),

8. 5094326 - Control linkage for hydrostatic transmission (1992-03-10),

9. 5085044 - Two-blade mower deck with infinite height adjustment (1992-02-04),

10. 4897942 - High efficiency snowthrower (1990-02-06),

11. D303804 - Self-propelled riding tractor (1989-10-03),

12. 4813215 - Mower belt transmission with blade brake (1989-03-21),

13. 4807904 - Riding mower chassis having improved rear portion (1989-02-28),

14. 4787646 - Riding mower chassis with floating steerable rear wheels (1988-11-29),

15. 4726440 - Unitized frame for a self-propelled lawn mower (1988-02-23),

Simplicity Manufacturing, Inc. is a leading manufacturer of outdoor power equipment, including lawn mowers, tractors, and snow blowers. With a commitment to simplicity and innovation, they provide high-quality products that make yard maintenance easy and efficient. Founded in 1922, Simplicity has a long history of delivering reliable and durable equipment for residential and commercial use.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#2 in Port Washington, WI

#334 in Wisconsin

#13,925 in US

#26,790 in the World

Port Washington, WI, United States of America

Simplicity Manufacturing, Inc.

Forward Citations = 399

25 inventors:

Daniel W Schaefer (8 out of 11 patents)

Kenneth H Klas (7 out of 10 patents)

Edward Freier, Jr (7 out of 10 patents)

4. Michael P Schemelin (5 out of 9 patents)

5. Igor Kamlukin (4 out of 11 patents)

Please report any incorrect information to support@idiyas.com

Loading…