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PHILADELPHIA DRYING MACHINERY

Overview
  • Total Patents
    71
About

PHILADELPHIA DRYING MACHINERY has a total of 71 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, consumer goods and packaging and shipping are PHILADELPHIA DRYING MACHINERY COMPANY, ERICH KIEFER and PROCTOR & SCHWARTZ INC.

Patent filings in countries

World map showing PHILADELPHIA DRYING MACHINERYs patent filings in countries
# Country Total Patents
#1 United States 71

Patent filings per year

Chart showing PHILADELPHIA DRYING MACHINERYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sibson Walter W 31
#2 Thomas Allsop 25
#3 Wigglesworth Harry H 13
#4 Belcher Harold H 9
#5 Galson Henry L 5
#6 Parkes Bertrand A 5
#7 Dennis John W 5
#8 Reumann Christian H 3
#9 Kaufmann Harold O 2
#10 Greiner William P 2

Latest patents

Publication Filing date Title
US2215418A Apron conveyer
US2121216A Conveyer pole for drying machines or the like
US2104173A Baking machine for textile materials
US2098066A Treating apparatus
US2076506A Conveyer
US2047156A Fan units for drying machines
US2080027A Conveyer pole for drying machines and the like
US2042034A Oil burner
US1983264A Tentering and drying machine
US1873865A Apron conveyer
US1965209A Method of treating and drying material
US1952825A Apparatus for conditioning textile materials
US2101974A Fabric treating machine
US1980163A Machine for drying textile materials
US1989977A Machine for treating fabrics
US1966405A Drying machine
US1906642A Conveyer
US1943793A Moisture extraction apparatus
US1965229A Drier and the like
US1959932A Drying form