Inventor
Hugh West
Inventor
Seattle, WA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions14%
A61LMethods or apparatus for sterilising materials or objects in general11%
Y10TTechnical subjects covered by former us classification11%
B01DSeparation9%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials8%
A61FFilters implantable into blood vessels6%
C08BPolysaccharides6%
B04CApparatus using free vortex flow, e.g. cyclones5%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management5%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids3%
PatentTitleYear
9,809,928'Product to promote fluid flow'20179,708,760'Esterified cellulose pulp compositions and related methods'20179,222,223'Esterified cellulose pulp compositions and related methods'20158,317,914'Fiber cement board with modified fiber'20128,241,419'Fiber cement board with modified fiber'20127,838,111'Cellulose pulp particle and product to promote fluid flow'20107,828,936'Dissolution of cellulose in mixed solvent systems'20107,175,741'Reducing odor in absorbent products'20077,054,031'Color reproduction process'20067,001,448'System employing a vortex finder tube for separating a liquid component from a gas stream'20066,951,933'Superabsorbent polymer'20056,893,473'Whitened fluff pulp'20056,773,492'System employing a vortex tube for separating an entrained liquid component from a gas stream'20046,709,500'System for separating entrained liquid from a gas stream using a sloped vessel'20046,673,135'System and method of separating entrained immiscible liquid component of an inlet stream'20046,576,029'System for separating an entrained liquid component from a gas stream'20036,514,322'System for separating an entrained immiscible liquid component from a wet gas stream'20036,500,947'Superabsorbent polymer'20026,296,737'Method of making readily debonded pulp products'20016,074,524'Readily defibered pulp products'20005,906,894'Multi-ply cellulosic products using high-bulk cellulosic fibers'19995,877,097'Densified cellulose fiber pads and method of making the same'19995,840,787'Cellulosic products using high-bulk cellulosic fibers'19985,837,627'Fibrous web having improved strength and method of making the same'19985,459,181'Hydraulic binder composition and its uses'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2007Patents assigned to WEYERHAEUSER CO (12)· patent assignee history
1995Based in Auburn, WA, US· patent location history
1998–2017Based in Seattle, WA, US· patent location history
1999Based in Tukwila, WA, US· patent location history
2003–2006Patents assigned to NAT TANK CO (6)· patent assignee history
2003–2006Based in St. Albert, CA· patent location history
2010–2015Patents assigned to WEYERHAEUSER NR CO (4)· patent assignee history
2012–2017Patents assigned to WEST HUGH (3)· patent assignee history
2012Patents assigned to HAMILTON ROBERT T (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WEYERHAEUSER CO | 12 | 1995–2007 |
| NAT TANK CO | 6 | 2003–2006 |
| WEYERHAEUSER NR CO | 4 | 2010–2015 |
| WEST HUGHself | 3 | 2012–2017 |
| HAMILTON ROBERT T | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seattle, Washington, US | 17 | 1998–2017 |
| St. Albert, CA | 6 | 2003–2006 |
| Tukwila, Washington, US | 1 | 1999 |
| Auburn, Washington, US | 1 | 1995 |