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BOEDTCHER FRANZ A

Overview
  • Total Patents
    17
About

BOEDTCHER FRANZ A has a total of 17 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States. Its main competitors in its focus markets packaging and shipping, electrical machinery and energy and machines are SHANGHAI BST ELECTRIC CO LTD, HAUGHTON ELEVATOR COMPANY and HAUGHTON ELEVATOR AND MACHINE.

Patent filings in countries

World map showing BOEDTCHER FRANZ As patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing BOEDTCHER FRANZ As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Boedtcher Franz A 17
#2 Schwartz Simon I 1

Latest patents

Publication Filing date Title
US1620430A Operating mechanism for shaft doors
US1626383A Illuminated signal for elevator installations
US1636895A Electric switch
US1568954A Illuminated directional signal for elevators
US1706869A Elevator signaling system
US1481119A System for controlling the operation of elevators
US1350698A Elevator-door lock
US1400721A Door-opening device and lock for elevator-doors
US1367854A Emergency-switch protector
US1295102A Wind-shield.
US1346111A Combined locking and circuit-controlling device for double doors
US1333241A Electric switch
US1333240A Elevator signaling system
US1413570A Combined elevator-door-locking and circuit-controlling device
US1165383A Elevator-indicator system.
US1089310A Elevator-indicator.
US1037113A Elevator-indicator.