Learn more

PRODUCTION CONTROL UNITS INC

Overview
  • Total Patents
    21
About

PRODUCTION CONTROL UNITS INC has a total of 21 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets machines, thermal processes and mechanical elements are MULLINS JOHN W, VULKAN LOKRING ROHRVERBINDUNGE and HUTCHINSON FTS INC.

Patent filings in countries

World map showing PRODUCTION CONTROL UNITS INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 4
#3 Mexico 1

Patent filings per year

Chart showing PRODUCTION CONTROL UNITS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robinson Randy S 9
#2 Jones James M 5
#3 Stemen Randy S 4
#4 Smith Matthew A 4
#5 Weaver Kim A 4
#6 Bruce Ralph E 3
#7 Thibault Joseph A 1
#8 Swinford Mark D 1
#9 Yates Clinton R 1
#10 Randy S Robinson 1

Latest patents

Publication Filing date Title
US2008295917A1 Tool assembly for evacuating, vacuum testing and charging a fluid system through a bleeder valve
US2007256742A1 Dispensing tool assembly for evacuating and/or charging a fluid system
US2007144611A1 Dispensing tool assembly for evacuating and charging a fluid system
US6799614B1 Dispensing tool assembly for a fluid fill tube
US6298886B1 Dispensing tool assembly for evacuating and charging a fluid system
US6257285B1 Dispensing tool assembly for evacuating and charging a fluid system
US5560407A Dispensing tool assembly for evacuating and charging a fluid system
US5439258A Tube coupling unit
USRE34426E Dispensing tool assembly for charging a refrigerant into a system
US5074332A Hose coupling unit for refrigerant system
US4889149A Dispensing tool assembly for charging a refrigerant or other fluid into a system
US4805417A Dispensing tool assembly for charging a refrigerant into a system
US4032041A Dispensing apparatus having temperature compensating fluid metering
US3425717A Tube coupling assembly
US3006077A Apparatus for dehydration of refrigeration hermetic compressors
US2775870A Liquid metering device