Learn more

CHAMPION LAB INC

Overview
  • Total Patents
    44
About

CHAMPION LAB INC has a total of 44 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets chemical engineering, machines and engines, pumps and turbines are WIPAC FILTRATION LTD, BALDWIN FILTERS INC and DONALDSON CO LTD.

Patent filings per year

Chart showing CHAMPION LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Michels Larry Dean 13
#2 Stockhowe John W 8
#3 Gaither John D 8
#4 Hultgren William H 7
#5 Gruca Michael J 5
#6 Schwarzlose Richard 4
#7 Stanhope Kent C 4
#8 Gaither Howard H 3
#9 Stanhope Kris S 3
#10 Atteberry W Scott 3

Latest patents

Publication Filing date Title
US7175761B2 Fluid filter assembly
US2004217045A1 Fuel dispenser filter with removable filter media
US6645373B2 Dual element water sensing fuel dispenser filter
US6544412B2 Filter including temperature and pressure responsive bypass
US6585887B2 End cap relief valve mechanism for a filter
US6117311A Positive shut off fuel pump dispensing filter
US5772881A Non-metallic spin-on filter
US5125940A In-line air filter apparatus
US4557829A Two stage filter
US4547287A Thermostatically controlled pack hold-down assembly
US4128251A Sealing gasket for air filter
US3473664A Oil filter unit
US3397786A Dual element filter assembly having plural valves therein
US3435666A Viscometer
US3370708A Dual element, dual valve, twist-on type filter assembly
US3388800A Axial flow, compressible element, filter unit with bypass means
US3315809A Filter unit with by-pass and anti-drain back valve
US3369666A Filter unit with anti-drain back valve means
US3367507A Filter unit
US3260367A Oil filter with removable housing