Inventor
William H. Theiss, Jr.
Inventor
Canton, OH, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning80%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B01DSeparation7%
PatentTitleYear
7,533,439'Handle assembly for a cleaning apparatus'20097,363,681'Suction shut off device for a cleaning apparatus'20087,362,064'Control arrangement for a cleaning appliance'20087,340,797'Recovery tank for a cleaning apparatus'20087,331,082'Tank arrangement for a cleaning apparatus'20087,299,521'Brush assembly distribution apparatus'20077,200,893'Brush assembly for a floor cleaning unit'20077,146,679'Apparatus and method for cleaning a surface'20066,880,201'Motor-fan cooling air directed into filter bag'20056,681,442'Apparatus and method for cleaning a surface'20046,481,050'Motor-fan cooling air directed into filter bag'20025,863,309'Hard bag door with air directing arrangement'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2008Patents assigned to HOOVER CO (9)· patent assignee history
1999–2009Based in Canton, OH, US· patent location history
2008–2009Patents assigned to HEALTHY GAIN INVEST LTD (2)· patent assignee history
2008Patents assigned to BAUMAN ROBERT W (1)· patent assignee history
2008Patents assigned to BRADSHAW DAVID A (1)· patent assignee history
2008Patents assigned to COATES DONALD A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOOVER CO | 9 | 1999–2008 |
| HEALTHY GAIN INVEST LTD | 2 | 2008–2009 |
| BAUMAN ROBERT W | 1 | 2008 |
| BRADSHAW DAVID A | 1 | 2008 |
| COATES DONALD A | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Canton, OH, US | 12 | 1999–2009 |