Inventor
Daniel L. Tuma
Inventor
St. Paul, MN, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation37%
G11BInformation storage based on relative movement between record carrier and transducer23%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons2%
D10BIndexing scheme associated with sublasses of section d, relating to textiles2%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%
F16KValves2%
PatentTitleYear
10,780,381Pattern coated filter and method202010,639,572Styrene-acrylonitrile fine fibers, filter media, recirculation filters, and methods202010,482,928Recirculation filter for an electronic enclosure201910,010,822Recirculation filter for an electronic enclosure20189,114,349'Controlled moisture vapor transmission filter assembly for electronic enclosures'20158,864,884'Contaminant control filter with fill port'20148,776,832'Valve for electronic enclosure'20148,033,304'Contaminant control filter with fill port'20117,166,142'Filter constructions containing breather and recirculation filter elements'20076,999,273'Filter assembly for a data storage device'20066,726,745'Filter assembly with shaped adsorbent article; and devices and methods of use'20046,709,498'Filter construction for disk drives'20046,491,741'Filter assembly with shaped adsorbent article; and devices and methods of use'20026,214,095'Adsorbent pouch for removal of gaseous contaminants'20016,168,651'Filter assembly with shaped adsorbent article; and devices and methods of use'20016,146,446'Filter assembly with shaped adsorbent article; and devices and methods of use'20005,997,614'Filter with diffusion channel and methods of making and using the filter'19995,469,702'Method and apparatus for filtering engine exhaust'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2020Patents assigned to DONALDSON CO INC (17)· patent assignee history
1995Based in Minneapolis, MN, US· patent location history
1999–2020Based in St. Paul, MN, US· patent location history
2006Patents assigned to SEAGATE TECHNOLOGY LLC (1)· patent assignee history
2011–2014Based in Chonburi, TH· patent location history
2014Patents assigned to TUMA DANIEL L (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DONALDSON CO INC | 17 | 1995–2020 |
| TUMA DANIEL Lself | 2 | 2014 |
| SEAGATE TECHNOLOGY LLC | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 15 | 1999–2020 |
| Chonburi, TH | 2 | 2011–2014 |
| Minneapolis, Minnesota, US | 1 | 1995 |