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HICKMAN PNEUMATIC SEAT CO INC

Overview
  • Total Patents
    54
About

HICKMAN PNEUMATIC SEAT CO INC has a total of 54 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, mechanical elements and machines are COLAERT FRERES, WILLETTS ELWOOD H and HENDRICKSON INT CORP.

Patent filings in countries

World map showing HICKMAN PNEUMATIC SEAT CO INCs patent filings in countries
# Country Total Patents
#1 United States 38
#2 Canada 16

Patent filings per year

Chart showing HICKMAN PNEUMATIC SEAT CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hickman Albert F 54
#2 Popp Harold I 2

Latest patents

Publication Filing date Title
US2527551A Frictional bearing assembly
US2542026A Torsion rod suspension for vehicles
US2553583A Spring suspension for railroad cars
US2536933A Vehicle spring suspension
US2453981A Hydraulic clutch
US2399226A Vehicle spring suspension
US2397140A Transmission
US2400550A Bolster construction for railroad trucks
US2394548A Spring suspension for railroad cars
US2410068A Spring suspension for railroad cars
US2394547A Spring suspension for railroad cars
US2402161A Spring suspension for railroad cars
US2362483A Torsion rod spring suspension
US2333650A Tandem axle suspension
US2357825A Seat
US2300422A Floating chair type seat
US2377883A Spring suspension for railroad car bodies
US2386795A Spring suspension for railroad cars
US2366730A Floating chair type seat
US2290182A Shackle for spring suspensions