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PULLMAN INC

Overview
  • Total Patents
    2,070
About

PULLMAN INC has a total of 2,070 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, materials and metallurgy and chemical engineering are PROCOR LTD, MG TECHNOLOGIES AG and SEKIYUSHIGEN KAIHATSU KABUSHIK.

Patent filings per year

Chart showing PULLMAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gutridge Jack E 120
#2 Peterson William H 84
#3 Adler Franklin P 54
#4 Shaver William R 51
#5 Borger Jack W 47
#6 Miller Roy W 41
#7 Ferris Ray L 40
#8 Marulic Walter J 36
#9 Knippel Willis H 35
#10 Nagy Ernest J 35

Latest patents

Publication Filing date Title
US4655365A Hatch cover lock
US4412975A Fired process heater
CA1131889A Radial ammonia converters
US4368673A Distribution means for partition sheet assembly
AU6898981A Interior finish for transit cars
US4348910A Sponge iron products sampling device
US4363578A Cushioned low profile trailer
CA1157451A Steam reforming process and catalyst
US4343771A Horizontal cross-flow scrubber
US4339222A Door locking mechanism for hopper car doors
US4359003A Railway car center filler
GB2070463A Sponge iron products sampling device
US4372604A Stowable armrest table assembly
US4353314A Box car corner post arrangement
US4359002A Railway car corner post
US4324649A Fired process heater
CA1097100A Metal and brick chimney liner
US4335988A Trackside cam centering arrangement
US4334481A Fatigue resistant partition sheet assembly
CA1089629A Low energy ammonia synthesis process