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ROTARY LIFT COMPANY

Overview
  • Total Patents
    17
About

ROTARY LIFT COMPANY has a total of 17 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, machines and mechanical elements are POLARSAFETY AG, STEEDMAN GEORGE F and WITTUR AG.

Patent filings in countries

World map showing ROTARY LIFT COMPANYs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 4

Patent filings per year

Chart showing ROTARY LIFT COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jaseph Lawrence F 9
#2 Harrison John B 3
#3 Adams Gilbert T 2
#4 Allan Hugh 1
#5 Eiserer Charles W 1
#6 Hugh Allan 1
#7 Bertram Harrison John 1
#8 Green Richard W 1
#9 George Hicks Seymour 1

Latest patents

Publication Filing date Title
US2713922A Vehicle lift
US2695711A Strainer and check valve assembly
US2601759A Safety device for lifting mechanism
US2684129A Combined nonrotating and safety device for lifts
US2659455A Hinged axle support for automotive vehicle lifts
US2637302A Low oil control
US2586464A Single rail elevator guide equalizer
US2489140A Elevator guide device
US2553045A Pump and motor hydraulic system
US2355164A Elevator control
US2254699A Lift
US2280291A Power transmitting system
US2026938A Lift
CA561117A Truck leveler for loading docks
CA403979A Lift
CA509296A Hydraulic lift control responsive to low oil level
CA541980A Hydraulic control apparatus