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PITTSBURGH DES MOINES STEEL

Overview
  • Total Patents
    117
About

PITTSBURGH DES MOINES STEEL has a total of 117 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, machines and mechanical elements are LIOTARD METALLURG, PITTSBURGH DES MOINES CORP and SOROKIN KONSTANTIN VLADIMIROVICH.

Patent filings in countries

World map showing PITTSBURGH DES MOINES STEELs patent filings in countries

Patent filings per year

Chart showing PITTSBURGH DES MOINES STEELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nelson Ardell H 14
#2 Hills Richard E 12
#3 Fino Alexander F 10
#4 Anderson Sr Lloyd E 9
#5 Edwards N 6
#6 Blackman Joel 6
#7 Adams John H 5
#8 Kuhs Franklin A 5
#9 Mckibbin Dean K 5
#10 Swick John M 4

Latest patents

Publication Filing date Title
US4283156A Joint for space frames
KR820002274B1 Floating roof drainage system
US4225055A Insulation for double wall tanks
JPS5613382A Seal for floating roof
FR2460429A1 Floating roof storage tank seal - comprises pliable liq.-contg. envelope positioned between floating roof and wall of tank, with scuff band between envelope and wall
CA1099071A Floating roof seal
GB2051201A Floating roof seal
US4214671A Floating roof drainage system
US4244152A Joint for geodesic dome
US4173291A Floating roof seal
US4134515A Emergency roof drain for floating roof storage tanks
US4130217A Seal arrangement for floating roof storage tanks
US4041722A Impact resistant tank for cryogenic fluids
US3972444A Floating roof having uniformly distributed buoyancy means
ES435915A1 A provision of single combined media of support and mooring of a deposit in a boat or similar to transport liquids at low temperature. (Machine-translation by Google Translate, not legally binding)
JPS51109684A TEIONEKITAIUNPANYOTANKUSHI JIKEISHISOCHI
DE2511239A1 Combined tank support and tie down clamp - secures low temp. liquid at ships bottom without risk of shifting
US3894505A Combined tank support and tie down means for a ship or the like
US3844122A Protected offshore storage facility
CA966430A Floating roof cover for storage tanks and method of making same