Inventor
Joseph C. Tokar
Inventor
Apple Valley, MN, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation55%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%
Y10TTechnical subjects covered by former us classification13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
F24FAir-conditioning4%
A47LDomestic washing or cleaning2%
E04BGeneral building constructions2%
Y02TClimate change mitigation technologies related to transportation2%
PatentTitleYear
8,460,442'Fluted filter media'20138,268,053'Fluted filter media'20127,329,326'Method of making a fluted filter media for air filter'20087,252,704'Filter arrangement and methods'20076,994,744'Filter arrangement and methods'20066,960,245'Filter arrangement and methods'20056,599,344'Filter arrangement and methods'20036,533,845'Filter arrangement and methods'20036,368,374'Filter arrangement and methods'20026,348,085'Filter arrangement and methods'2002D0450828'Fluted filter element having a handle'20016,235,195'Filter element incorporating a handle member'20016,213,146'Valve assembly for preventing liquid ingestion and methods'20016,209,559'Valve assembly for preventing liquid ingestion and methods'20016,210,469'Air filter arrangement having first and second filter media dividing a housing and methods'2001D0428128'Conical filter'2000D0425189'Combined filter element and frame therefor'20006,048,386'Integrated resonator and filter apparatus'20006,009,898'Valve assembly for preventing liquid ingestion and methods'20005,935,284'Filter cartridge'19995,931,988'Cabinet filter assembly and methods'19995,902,364'Conical filter'19995,871,557'Mist collector cartridge'1999D0399944'Conical filter'19985,820,646'Inline filter apparatus'1998D0398046'Combined filter element and frame therefor'19985,792,247'Integrated resonator and filter apparatus'1998D0396098'Conical filter'19985,772,883'Slanted inline filter'19985,454,858'Process of using mist collector cartridge'19955,415,676'Mist collector cartridge'19954,946,484'Support for clean room ceiling grid system'19904,819,549'End seal for clean room ceiling supports'19894,647,373'Multi-layered filter apparatus'19874,491,460'Air cleaner and deflecting intake tube'19854,243,397'Air cleaner with replaceable filter element'19814,211,543'Air cleaner with replaceable filter element'19804,157,902'Air cleaner system for over-highway trucks'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2013Patents assigned to DONALDSON CO INC (37)· patent assignee history
1979–2013Based in Apple Valley, MN, US· patent location history
2000–2013Patents assigned to GILLINGHAM GARY R (3)· patent assignee history
2000–2013Patents assigned to MATTHYS BERNARD A (3)· patent assignee history
2000–2013Patents assigned to RISCH DANIEL T (3)· patent assignee history
2000–2013Patents assigned to TOKAR JOSEPH C (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 37 | 1979–2013 |
| GILLINGHAM GARY R | 3 | 2000–2013 |
| MATTHYS BERNARD A | 3 | 2000–2013 |
| RISCH DANIEL T | 3 | 2000–2013 |
| TOKAR JOSEPH Cself | 3 | 2000–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Apple Valley, Minnesota, US | 38 | 1979–2013 |