Inventor
William K. Upton, III
Inventor
Chester, MD, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Bprimary
D21BFibrous raw materials or their mechanical treatment75%
B30BPresses in general25%
PatentTitleYear
5,669,560'Non-pulpables collection chamber with removable basket for solid waste pulpers'19975,551,641'Non-pulpables collection chamber with removable basket for solid waste pulpers'19965,464,161'Solid waste pulper'19955,144,889'Apparatus for forming negatively buoyant high-density trash slugs'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to US NAVY (1)· patent assignee history
1992–1997Based in Chester, MD, US· patent location history
1995–1997Patents assigned to US ARMY (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US ARMY | 3 | 1995–1997 |
| US NAVY | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chester, Maryland, US | 4 | 1992–1997 |