Inventor
Walter E. Nellis
Inventor
Queensbury, NY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials36%
B01DSeparation27%
B01FMixing, e.g. dissolving, emulsifying or dispersing18%
Y10TTechnical subjects covered by former us classification18%
PatentTitleYear
11,083,985Vapor relief strainer with cleaner20219,284,684'Flared inlet insert for introducing flow into a flash tank'20169,127,403'Flash tank with flared inlet insert and method for introducing flow into a flash tank'20158,685,205'Flash tank with compact steam discharge assembly'20144,573,803'Injection nozzle'19864,564,298'Hydrofoil injection nozzle'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to UNION OIL CO (2)· patent assignee history
1986Based in Bermuda Dunes, CA, US· patent location history
2014–2021Patents assigned to ANDRITZ INC (4)· patent assignee history
2014–2021Based in Queensbury, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANDRITZ INC | 4 | 2014–2021 |
| UNION OIL CO | 2 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Queensbury, New York, US | 4 | 2014–2021 |
| Bermuda Dunes, California, US | 2 | 1986 |