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RUDOLPH I SCHONITZER

Overview
  • Total Patents
    42
About

RUDOLPH I SCHONITZER has a total of 42 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, civil engineering and transport are HAAG JOSEPH, HANCOCK MFG COMPANY and TAYLOR BAYARD E.

Patent filings in countries

World map showing RUDOLPH I SCHONITZERs patent filings in countries
# Country Total Patents
#1 United States 35
#2 Canada 7

Patent filings per year

Chart showing RUDOLPH I SCHONITZERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen Edwin L 33
#2 Muster Harold B 12
#3 De Vito Angelo R 6
#4 Puzik Otto V 2
#5 Vito Angelo R De 1
#6 Wagner Leonard J 1

Latest patents

Publication Filing date Title
US2759351A Latch actuating and locking mechanism
US2644712A Control mechanism for door latches
US2705165A Control mechanism for door latches
US2658375A Lock means for door control mechanism
US2665160A Door control mechanism
US2683050A Door control mechanism
US2665159A Door control mechanism
US2674483A Door control mechanism
US2650846A Door control mechanism
US2665158A Door control mechanism
US2665157A Door control mechanism
US2604346A Push-button unit
US2665156A Door control mechanism
US2608428A Latch mechanism
US2544528A Door check and holding device
US2603820A Door check and holding device
US2603963A Latch actuating and locking mechanism
US2573679A Control mechanism for door latches
US2658781A Door control mechanism
US2668730A Remote control apparatus for door control mechanisms