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PROCTOR & SCHWARTZ INC

Overview
  • Total Patents
    465
About

PROCTOR & SCHWARTZ INC has a total of 465 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets chemical engineering, consumer goods and textiles and paper are PHILADELPHIA TEXTILE MACH CO, GEA LYOPHIL GMBH and PHILADELPHIA TEXTILE MACHINERY.

Patent filings per year

Chart showing PROCTOR & SCHWARTZ INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hurxthal Alpheus O 58
#2 Myers Joseph W 23
#3 Schwartz Walter M 21
#4 Ayres Elwood B 21
#5 Wanamaker Harry F 16
#6 Hermann Bogaty 13
#7 Bokum William F 12
#8 Senior John H 11
#9 Franklin John J 10
#10 Powischill John W 10

Latest patents

Publication Filing date Title
US5277924A Radio frequency proofing and convection baking apparatus and method for making pizza
US4763770A Traveling vibrating diverter feed system
US4619576A Feed system for tobacco blending/bulking bins
US4674627A Sanitary conveyor assembly
US4537122A Skin removal apparatus for almonds
US4572218A Remoistening of tobacco
US4610849A Reactor for dry flue gas desulfurization
CA1187403A Reactor for dry flue gas desulfurization
CA1191334A Reactor for dry flue gas desulfurization
US4491603A Process for removing skins from nuts
CA1160431A Treating fluidized material
US4481171A Reactor for dry flue gas desulfurization
US4585633A Reactor for dry flue gas desulfurization
US4409744A Propeller fan drive
US4366628A Invertable pan conveyor and material carrying pan therefor
US4418856A Apparatus for plaiting tow onto a conveyor
CA1110424A Panels for industrial dryers and other heated enclosures
JPS54157162A Feeder for tenter
US4170075A Nozzle for web processing apparatus
DE2753542A1 Gas circulation oven - with wind chess and distributor chambers divided into pairs of ducts