Learn more

DONALDSON CO INC

Overview
  • Total Patents
    3,934
  • GoodIP Patent Rank
    1,640
  • Filing trend
    ⇧ 2.0%
About

DONALDSON CO INC has a total of 3,934 patent applications. It increased the IP activity by 2.0%. Its first patent ever was published in 1929. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, machines and engines, pumps and turbines are DONALDSON CO LTD, BALDWIN FILTERS INC and CROSLAND FILTERS LTD.

Patent filings per year

Chart showing DONALDSON CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wagner Wayne M 228
#2 Hacker John R 145
#3 Gillingham Gary R 138
#4 Gieseke Steven Scott 137
#5 Bishop Wayne R W 125
#6 Raether Thomas D 124
#7 Dallas Andrew J 121
#8 Weik Thomas M 117
#9 Adamek Daniel E 113
#10 Gogins Mark A 111

Latest patents

Publication Filing date Title
WO2021081341A1 Filtration and deaeration system
US2021107808A1 Systems and methods for removing organic compounds from water used to generate steam
WO2021072122A1 Filter medium comprising a fine fiber layer
WO2021050817A1 Air filter systems, filter bag assemblies, filter bags
WO2021035185A1 Gas replenishment component for an enclosure
WO2021021655A1 Filter elements and methods of manufacturing filter elements
WO2021003346A1 Fluid aeration detection systems and methods
WO2021003430A1 Filter element with integrated drain filter
WO2021007069A1 Dosing conduit arrangements for exhaust aftertreatment system
WO2020264125A1 Filter assembly and system
WO2020263976A1 Filter element endcap with shroud
US2020388138A1 Multi-zone filtration monitoring systems and methods
WO2020243080A1 Curved core for variable pleat filter
WO2020236737A1 Air oil separator
WO2020231801A1 Retention apparatus for wire mesh arrangement
WO2020227464A1 Pulse air cleaner system with pulse tube extension
WO2020214667A1 Filter element with outlet port check valve
US2020306682A1 Particle separator filter with an axially extending flow face
WO2020198681A1 Filter media with improved dust loading
US2020307906A1 Air reservoir assembly for a submergible enclosure