Learn more

PROCTOR AND SCHWARTZ INC

Overview
  • Total Patents
    26
About

PROCTOR AND SCHWARTZ INC has a total of 26 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets chemical engineering, textiles and paper and consumer goods are PROCTOR & SCHWARTZ INC, ERICH KIEFER LUFTTECHNISCHE AN and PHILADELPHIA TEXTILE MACHINERY.

Patent filings in countries

World map showing PROCTOR AND SCHWARTZ INCs patent filings in countries
# Country Total Patents
#1 United States 19
#2 United Kingdom 4
#3 Canada 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hurxthal Alpheus O 3
#2 Stanislaus Bogaty 3
#3 Bokum William F 3
#4 Marshall Jr William R 2
#5 Ayres Elwood B 2
#6 Myers Joseph W 2
#7 Wilson Jack P 2
#8 Remer Robert J 1
#9 Hoffman Charles E 1
#10 Gebhardt Gustav H 1

Latest patents

Publication Filing date Title
GB1277835A Tenter clip and method of manufacture
US3324570A Float dryer
GB1077161A Improvements in or relating to the application of treating liquor to material in web form
US3256569A Web density control means for web forming apparatus
US2795056A Conveying and treating system for loose, solid materials
US2820307A Conveying and treating system for loose materials
US2811241A Feeding mechanism and process for fibrous materials
US2825523A Automatic weigher
US2713213A Self-cleaning screen for material handling apparatus
US2746170A Rotary dryer
US2880794A Spray drying process
US2746171A Dryer for powdered material
US2710764A Door catch
US2637093A Loop drier girt
US2361838A Hosiery drier
GB530710A Improvements in time control mechanisms for the rapid heating of electric range units or the like
US1755006A Loop drier
US1672704A Picker
US1575528A Garnett machine
US1572832A Locking device for drying frames