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MULLINS JOHN W

Overview
  • Total Patents
    26
About

MULLINS JOHN W has a total of 26 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, thermal processes and machines are PRODUCTION CONTROL UNITS INC, VULKAN LOKRING ROHRVERBINDUNGE and KAKINUMA KINZOKU SEIKI KK.

Patent filings in countries

World map showing MULLINS JOHN Ws patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 6
#3 United Kingdom 4
#4 Germany 1

Patent filings per year

Chart showing MULLINS JOHN Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mullins John W 21
#2 Mullins John William 2
#3 Cooke Clive James 2

Latest patents

Publication Filing date Title
GB8428649D0 Broadband antenna
US4324270A Refrigerant line service valve
US3996765A Refrigerant system charging and evacuating manifold
CA1037297A Copper tube service valve
US3997140A Refrigerant line connecting tee with step diameter bushing
US3963212A Two-way tee for joining refrigerant lines
US3916641A Refrigerant system charging and evacuating manifold
US3916642A Refrigerant dryer service valve
US3901268A Copper tube service valve
GB1273470A Line-tapping service valve and clamp therefor
US3661169A Line clamping self-tapping service valve
US3548861A Line tapping service valve
GB1201454A Line-tapping service valve
US3547144A Service valve
US3543788A Service valve
US3509905A Line clamping self-tapping service valve
US3448758A Refrigerant service valve
GB1020654A Hermetic service valve
US3336936A Refrigerator service valve
US3149817A Hermetic service valve