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ROETHEL ENGINEERING CORP

Overview
  • Total Patents
    61
About

ROETHEL ENGINEERING CORP has a total of 61 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, civil engineering and thermal processes are HAAG JOSEPH, OTTINGER LEON and ANSEI KOGYO KK.

Patent filings in countries

World map showing ROETHEL ENGINEERING CORPs patent filings in countries
# Country Total Patents
#1 United States 46
#2 United Kingdom 7
#3 Canada 5
#4 France 3

Patent filings per year

Chart showing ROETHEL ENGINEERING CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Civil engineering
#3 Thermal processes

Top inventors

# Name Total Patents
#1 Roethel John H 50
#2 Feuerlein George R 1

Latest patents

Publication Filing date Title
GB832818A Latch mechanism
US2736590A Vertical slide bolt door lock
US2787488A Vertical slide bolt door lock
US2736589A Vertical slide bolt door lock
US2716569A Door lock
US2736593A Door lock
US2736592A Door lock
US2777720A Door lock
US2846256A Door lock
US2736591A Door lock
US2802683A Door lock
US2646300A Door lock
GB687039A Improvements in and relating to door latch mechanism
US2712224A Ice tray
US2706130A Door lock
US2606783A Door handle assembly
US2825595A Door lock
US2814519A Door lock
GB667873A Improvements in and relating to latch bolt keepers
US2706128A Door lock