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MECHANICAL PRODUCTS INC

Overview
  • Total Patents
    219
About

MECHANICAL PRODUCTS INC has a total of 219 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets electrical machinery and energy, environmental technology and civil engineering are MINUSINSKOE OTDEL V ELEKTROTEK, KAREL KESL and SCHWARZFAERBER & CO.

Patent filings in countries

World map showing MECHANICAL PRODUCTS INCs patent filings in countries
# Country Total Patents
#1 United States 63
#2 United Kingdom 37
#3 Canada 36
#4 France 33
#5 Germany 24
#6 Switzerland 17
#7 Spain 6
#8 Belgium 2
#9 Japan 1

Patent filings per year

Chart showing MECHANICAL PRODUCTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ingwersen Richard C 57
#2 Malone Homer F 16
#3 Ingwersen Richard Castle 15
#4 Richard Castle Ingwersen 8
#5 Products Inc Mechanical 5
#6 Quint Lloyd E 4
#7 Roberts Gordon A 3
#8 Richard C Ingwersen 3
#9 Bakhaus Kenneth C 3
#10 Sdunek Bruce C 3

Latest patents

Publication Filing date Title
US4937548A Circuit breaker
US4922219A Circuit breaker
US4688512A Backlighted trip indicator
US4687164A Snap-in bushing
US4415875A Circuit breaker
US4110719A Three phase circuit breaker
US4092623A Circuit breaker
US4039993A Over temperature limit switch
GB1349593A Electrical circuit breaker
US3629763A Circuit breaker
US3629762A Circuit breaker
US3534249A Current regulating network with overload protection
US3416113A Circuit breaker
US3538444A Analog to digital signal converting system having a hysteresis creating feedback loop
GB1165568A Electronic Circuit Protector.
US3413581A Ambient temperature compensated circuit breaker
US3316373A Trip device for circuit breaker
US3287523A Push button type circuit breaker with cross-slide
US3311725A Circuit breaker with lost motion lockout member for interposing between contacts
US3319031A Thermal snap circuit breaker with slidable spring biased collar engaging on side of the bimetal