For the Inventor, By the Inventor

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Dayton, OH, United States of America

Production Control Units, Inc.

USPTO Granted Patents = 12

% Expired Patents = 25.0

CIPO Patents = 1

Trademarks = 3

Forward Citations = 170

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11 inventors (with patents filed for the assignee):

Randy S Robinson (6 out of 7 patents)

Matthew A Smith (3 out of 3 patents)

James M Jones (3 out of 30 patents)

4. Randy S Stemen (2 out of 2 patents)

5. Kim A Weaver (2 out of 2 patents)

6. Chad E McKee (1 out of 1 patent)

7. Glenn C Danner (1 out of 1 patent)

8. Clinton R Yates (1 out of 1 patent)

9. Mark D Swinford (1 out of 1 patent)

10. Ralph E Bruce (1 out of 1 patent)

11. Joseph A Thibault (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 7588059 - Dispensing tool assembly for evacuating and charging a fluid system (2009-09-15),

2. 7575029 - Tool assembly for evacuating, vacuum testing and charging a fluid system through a bleeder valve (2009-08-18),

3. 7404414 - Dispensing tool assembly for evacuating and/or charging a fluid system (2008-07-29),

4. 6799614 - Dispensing tool assembly for a fluid fill tube (2004-10-05),

5. 6298886 - Dispensing tool assembly for evacuating and charging a fluid system (2001-10-09),

6. 6257285 - Dispensing tool assembly for evacuating and charging a fluid system (2001-07-10),

7. 5560407 - Dispensing tool assembly for evacuating and charging a fluid system (1996-10-01),

8. 5439258 - Tube coupling unit (1995-08-08),

9. 5074332 - Hose coupling unit for refrigerant system (1991-12-24),

10. 4889149 - Dispensing tool assembly for charging a refrigerant or other fluid into (1989-12-26),

11. 4805417 - Dispensing tool assembly for charging a refrigerant into a system (1989-02-21),

12. 4032041 - Dispensing apparatus having temperature compensating fluid metering (1977-06-28),

Production Control Units, Inc. is a specialized manufacturer based in Dayton, Ohio, focusing on advanced control systems and automation solutions. The company develops innovative technologies that enhance operational efficiency across various industries, including manufacturing and logistics. With a commitment to precision engineering, Production Control Units, Inc. aims to optimize production processes and improve overall productivity through its cutting-edge products and solutions tailored to meet diverse client needs.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

12 Patents

#54 in Dayton, OH

#1,067 in Ohio

#25,526 in US

#48,090 in the World

Dayton, OH, United States of America

Production Control Units, Inc.

Forward Citations = 170

11 inventors:

Randy S Robinson (6 out of 7 patents)

Matthew A Smith (3 out of 3 patents)

James M Jones (3 out of 30 patents)

4. Randy S Stemen (2 out of 2 patents)

5. Kim A Weaver (2 out of 2 patents)

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