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F E SCHUNDLER & CO INC

Overview
  • Total Patents
    27
About

F E SCHUNDLER & CO INC has a total of 27 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and chemical engineering are OTAVI MINEN AG, SCHWANENBERG ERICH and NORSK PROCO AS.

Patent filings in countries

World map showing F E SCHUNDLER & CO INCs patent filings in countries
# Country Total Patents
#1 United States 19
#2 United Kingdom 8

Patent filings per year

Chart showing F E SCHUNDLER & CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Denning Paul S 17
#2 Henry Napier 2

Latest patents

Publication Filing date Title
US2798674A Filter aid and its preparation
US2784085A Manufacture of high temperature insulating materials
US2495597A Bonding mineral insulating material
US2517090A Method of molding magnesite products
US2433265A Manufacture of magnesia products
US2538236A Insulating material
US2456643A Lightweight material and its preparation
US2289250A Manufacture of insulating material
US2311588A Method of making refractory insulating blocks
US2342574A Lightweight mineral material
US2265358A Apparatus for exfoliation of vermiculite
US2258176A Removable insulating unit for pipe couplings and the like
US2204581A Insulating material and its manufacture
US2259879A Lightweight mineral material
GB485510A Improvements in methods of forming plastic objects
GB485503A An improved process of expanding or exfoliating vermiculite and other similar mineral substances
GB485507A Improvements relating to heat insulation products
GB485505A Improvements relating to the manufacture of products containing vermiculite
GB485511A Improvements relating to the manufacture of plastic bricks, blocks, slabs, tiles and the like
GB485508A Improvements in plastic refractory materials, and processes for producing the same