Learn more

THOMAS B JEFFERY

Overview
  • Total Patents
    25
About

THOMAS B JEFFERY has a total of 25 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and transport are HAND JESSE H, HALE JESSE W and DURYEA OTHO CROMWELL.

Patent filings in countries

World map showing THOMAS B JEFFERYs patent filings in countries
# Country Total Patents
#1 United States 25

Patent filings per year

Chart showing THOMAS B JEFFERYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Symmonds Robert Jr 11
#2 Symmonds Robert 5
#3 Purdy Frederick 4
#4 Thompson Robert W 2
#5 Hawks William 2
#6 Jeffery Charles T 1

Latest patents

Publication Filing date Title
US992802A Apparatus for mixing and containing liquids.
US963322A Apparatus for mixing and containing liquids.
US972243A Apparatus for mixing and containing liquids.
US1020376A Adjustable steering-post for automobiles.
US961077A Means for facilitating the starting of internal-combustion engines.
US1020375A Automobile.
US1013082A Carbureter.
US948800A Automobile steering mechanism.
US894473A Power-changing mechanism.
US809338A Power-transmitting mechanism for motor-vehicles.
US809337A Power-transmitting mechanism for motor-vehicles.
US797240A Reversing and change-speed clutch mechanism.
US794567A Reversing and speed-changing mechanism.
US838666A Power-transmission mechanism.
US775409A Power transmitting and reversing mechanism.
US929997A Speed-changing mechanism.
US844760A Transmission-gearing.
US806021A Differential gearing.
US723758A Power-transmitting mechanism for motor-vehicles.
US721807A Power-transmitting device.