For the Inventor, By the Inventor

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Des Moines, IA, United States of America

Emco Enterprises, Inc.

USPTO Granted Patents = 22

Trademarks = 3

Forward Citations = 318

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11 inventors (with patents filed for the assignee):

Terry J Kenkel (12 out of 12 patents)

Michael J Billingsley (6 out of 6 patents)

Robert C Tweedt (3 out of 4 patents)

4. Marc M DeBower (3 out of 3 patents)

5. Kelly Hemping (2 out of 6 patents)

6. David L Ishmael (2 out of 2 patents)

7. Walter B Herbst (1 out of 38 patents)

8. Alan H Woodruff (1 out of 4 patents)

9. Brad E Pingel (1 out of 1 patent)

10. James E Schooler (1 out of 1 patent)

11. Gordon D Hansen (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 7293807 - Door handle assembly (2007-11-13),

2. 6769214 - Strip for retaining storm door window elements (2004-08-03),

3. 6286692 - Method and apparatus for mounting door display (2001-09-11),

4. 6256931 - Window retention system (2001-07-10),

5. 6192631 - Window retention system (2001-02-27),

6. 6088966 - Hinge-emulating gap concealing strip for a door (2000-07-18),

7. D413991 - Extruded section of a door frame (1999-09-14),

8. 5946772 - Cover for a door closure (1999-09-07),

9. D409767 - Extruded section of a door frame (1999-05-11),

10. D408562 - Extruded section of a door frame (1999-04-20),

11. D405194 - Extruded strip for mounting on the edge of a door (1999-02-02),

12. 5836120 - Door having integrally formed weep hole for drainage (1998-11-17),

13. 5829508 - Door closer and method (1998-11-03),

14. D393908 - Door frame extrusion (1998-04-28),

15. D384426 - Door frame extrusion (1997-09-30),

Emco Enterprises, Inc. is a leading provider of innovative HVAC solutions for residential and commercial spaces. With over 50 years of experience in the industry, we offer a wide range of high-quality products including air conditioners, heaters, and ventilation systems. Our team of experts is dedicated to providing top-notch customer service and creating comfortable environments for our clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

22 Patents

#11 in Des Moines, IA

#86 in Iowa

#14,505 in US

#27,863 in the World

Des Moines, IA, United States of America

Emco Enterprises, Inc.

Forward Citations = 318

11 inventors:

Terry J Kenkel (12 out of 12 patents)

Michael J Billingsley (6 out of 6 patents)

Robert C Tweedt (3 out of 4 patents)

4. Marc M DeBower (3 out of 3 patents)

5. Kelly Hemping (2 out of 6 patents)

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