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PHILADELPHIA DRYING MACHINERY COMPANY

Overview
  • Total Patents
    45
About

PHILADELPHIA DRYING MACHINERY COMPANY has a total of 45 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, consumer goods and packaging and shipping are PHILADELPHIA DRYING MACHINERY, ZHUJI PANDA TEXTILE TECH CO LTD and MACTEC S R L.

Patent filings in countries

World map showing PHILADELPHIA DRYING MACHINERY COMPANYs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sibson Walter W 33
#2 Allsop Thomas 32
#3 Parkes Bertrand A 11
#4 Sibson Walter Woodhouse 1
#5 Lowe Russell B 1
#6 Hagar Walter F Jr 1
#7 Miller William 1
#8 Thomson Ralph E 1

Latest patents

Publication Filing date Title
US1300233A Dyeing-machine.
US1301594A Drying-machine.
US1246836A Dyeing and bleaching machine.
US1245139A Dyeing and bleaching machine.
US1246835A Dyeing and bleaching machine.
US1213549A Process and apparatus for drying and conditioning materials.
US1246826A Metallic building structure.
US1169092A Machine for inverting and bundling hosiery.
US1198377A Drying-machine.
US1170183A Singeing-machine.
US1150306A Circulating dyeing-machine.
US1200433A Fabric-treating apparatus.
US1142476A Circulating dyeing-machine.
US1125747A Dyeing-machine.
US1137719A Process and apparatus for treating fabrics.
US1125707A Fabric-drying machine.
US1099887A Basket or cage for dyeing-machines.
US1119995A Circulating dyeing-machine.
US1141883A Fabric-tube-opening device.
US1125910A Automatic loop-drying machine.