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BLACKSTONE MFG COMPANY

Overview
  • Total Patents
    24
About

BLACKSTONE MFG COMPANY has a total of 24 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, consumer goods and mechanical elements are DEXTER COMPANY, DORAU JOHN P and PERKINS JULIAN L.

Patent filings in countries

World map showing BLACKSTONE MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 7

Patent filings per year

Chart showing BLACKSTONE MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Glenn More 10
#2 More Glenn 8
#3 Oberg Gunnard A 5
#4 Conterman Fred A 1
#5 Ellison Edward H 1
#6 Moynihan John P 1

Latest patents

Publication Filing date Title
US1997069A Pump
US1997068A Gear casing
US1853919A Reversible swinging wringer mechanism
US1472434A Cylinder for washing machines
US1502872A Sliding door and lock for washing-machine cylinders
US1540897A Swinging-wringer mechanism
US1412255A Agitator
US1540896A Gearing for washing machines
US1342563A Clamp
US1328753A Bench
US1328754A Removable wringer mechanism
US1336086A Gearing for washing-machines
US1252924A Operating-gearing for washing-machines.
US1222785A Operating-gearing for washing-machines.
US1220767A Operating-gearing for washing-machines.
US1139893A Operating-gearing for washing-machines.
CA416262A Ironing machine
CA216805A Wringer
CA322253A Reversible swinging wringer mechanism
CA242441A Sliding door and lock for washing machine cylinders