Inventor

Andrew J. Dallas

Inventor
Apple Valley, MN, US

Overview

34→
Patents
1999–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation27%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
Y10TTechnical subjects covered by former us classification9%
B82YSpecific uses or applications of nanostructures7%
C12MApparatus for enzymology or microbiology7%
C12NMicroorganisms or enzymes7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G11BInformation storage based on relative movement between record carrier and transducer3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
PatentTitleYear
10,688,433Materials, methods, and devices for siloxane contaminant removal202010,646,370Enclosure ventilation filter and assembly method202010,604,707Hydrocarbon-in-water purification anion-exchange system202010,526,548Hydrocarbon-in-water purification system202010,315,140Hydrocarbon fluid-water separation201910,226,723Liquid filtration media, filter elements and methods201910,213,711Filter assembly for removing high molecular weight hydrocarbons from liquified propane gas201910,130,905Materials, methods, and devices for siloxane contaminant removal201810,058,807Web comprising fine fiber and reactive, adsorptive or absorptive particulate20189,789,435'Materials, methods, and devices for siloxane contaminant removal'20179,610,523'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20179,114,339'Formed filter element'20159,056,268'Liquid filtration media, filter elements and methods'20158,979,811'Enclosure ventilation filter and assembly method'20158,753,438'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20148,343,264'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20138,246,730'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20128,211,218'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20128,048,210'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20117,758,674'Air filter assembly for low temperature catalytic processes'20107,655,070'Web comprising fine fiber and reactive, adsorptive or absorptive particulate'20107,101,419'Air filter assembly for low temperature catalytic processes'20067,022,158'Adsorption element and methods'20066,997,977'Adsorptive duct for contaminant removal, and methods'20066,645,271'Adsorption element and methods'20036,638,339'Air filter assembly for low temperature catalytic processes'20036,432,177'Air filter assembly for low temperature catalytic processes'20026,313,953'Gas chemical filtering for optimal light transmittance; and methods'20016,187,596'Airborne contaminant indicator'20016,168,681'Method of making a filter device'20016,077,335'Filter and method for making a filter'20005,997,618'Filter and method for making a filter'19995,976,467'Airborne contaminant indicator'19995,869,009'Filter device'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2020Patents assigned to DONALDSON CO INC (33)· patent assignee history
1999–2015Based in Apple Valley, MN, US· patent location history
2012–2015Patents assigned to DALLAS ANDREW J (6)· patent assignee history
2012–2015Patents assigned to JORIMAN JON D (5)· patent assignee history
2012–2014Patents assigned to CHUNG HOO Y (4)· patent assignee history
2012–2014Patents assigned to GIERTZ JAMES R (4)· patent assignee history
2012–2020Based in Lakeville, MN, US· patent location history
2020Based in Minneapolis, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DONALDSON CO INC331999–2020
DALLAS ANDREW Jself62012–2015
JORIMAN JON D52012–2015
CHUNG HOO Y42012–2014
GIERTZ JAMES R42012–2014
Locations
LocationPatentsSpan
Apple Valley, Minnesota, US181999–2015
Lakeville, Minnesota, US142012–2020
Minneapolis, Minnesota, US22020