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CIPO Patents = 2

Trademarks = 2

Forward Citations = 91

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6 inventors (with patents filed for the assignee):

Leon S Zimmerman (9 out of 19 patents)

Bryan S Shive (5 out of 15 patents)

George S Zimmerman (5 out of 15 patents)

4. Paul J Bondarenko (4 out of 14 patents)

5. Anthony Martin (4 out of 13 patents)

6. Robert B Evans, Iii (2 out of 2 patents)

10 patents: Sort by Forward Citations

1. 6637368 - Indexed feed dispensing mechanism (2003-10-28),

2. 6536373 - Dust cover for an animal feeder (2003-03-25),

3. 6526913 - Indexed feed dispensing mechanism (2003-03-04),

4. 6269770 - Animal feeder with dispensing mechanism and dust cover (2001-08-07),

5. 6061968 - Method and apparatus for enabling an opening and closing of a hinged door (2000-05-16),

6. 5575622 - Method and apparatus for mounting a fan guard (1996-11-19),

7. 5558039 - Hog feeder (1996-09-24),

8. 5520509 - Fan housing (1996-05-28),

9. 5345894 - Adaptor plate for shielded drop-lock adjustment on an animal feeder (1994-09-13),

10. 5222460 - Shielded drop-lock adjustment means (1993-06-29),

Staco, Inc. is a leading provider of power quality and power conversion solutions for industrial, commercial, and military applications worldwide. With over 80 years of experience, Staco offers a wide range of products including voltage regulators, UPS systems, and power factor correction equipment. Their products are known for their reliability, efficiency, and innovative design.

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USPTO Data Jan 1 1976 - Jan 20 2026

10 Patents

#1 in Schaefferstown, PA

#1,061 in Pennsylvania

#29,057 in US

#54,432 in the World

Schaefferstown, PA, United States of America

Staco, Inc.