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MASTIN CHARLES I E

Overview
  • Total Patents
    17
About

MASTIN CHARLES I E has a total of 17 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, machines and audio-visual technology are MCFALL THURLOW E, JOHNSTON HARRY B and HALLITE HOLDINGS LTD.

Patent filings in countries

World map showing MASTIN CHARLES I Es patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 1

Patent filings per year

Chart showing MASTIN CHARLES I Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mastin Charles I E 17
#2 Mastin Charles R 2
#3 Perry Edward L 1

Latest patents

Publication Filing date Title
US1583410A Sign plate and method of making the same
US1479148A Packing
US1473597A Packing
US1473492A Packing
US1372529A Packing and method of making same
US1245003A Packing.
US1245002A Packing.
US1209740A Piston-packing.
US1178741A Packing for piston-rods, &c.
US1203762A Gasket.
US1184469A Method of making piston-rod packings.
US1172543A Piston-rod packing and the method of making same.
US1150050A Piston-rod packing.
CA147528A Packing for piston rods, etc.
US1018202A Packing for piston-rods, &c.
US943692A Packing and method of making the same.
US935387A Gasket.