Inventor
Leonard E. Bowerman
Inventor
Abingdon, VA, 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 cleaning52%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids14%
H01RElectrically-conductive connections5%
H02KDynamo-electric machines5%
PatentTitleYear
5,725,623'Filter and accessory mount for upright vacuum cleaner exhaust port'19985,690,713'Filter and accessory mount for upright vacuum cleaner exhaust port'19975,685,894'Filter and accessory mount for upright vacuum cleaner exhaust port'19975,387,117'Universal central vacuum cleaner hose end fitting'19955,329,666'Vacuum cleaner'19945,218,736'Vacuum cleaner'19935,129,128'Vacuum cleaner'1992D0299176'Upright vacuum cleaner'19884,724,574'Suction cleaner'19884,364,146'Quick cleanout for upright vacuum cleaner'19824,294,595'Vacuum cleaner including automatic shutoff device'19814,099,291'Vacuum cleaner having magnetic drive for agitator brush'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to BOWERMAN LEONARD E (1)· patent assignee history
1978–1988Based in Fairfield, CT, US· patent location history
1981–1998Patents assigned to ELECTROLUX CORP (6)· patent assignee history
1988Patents assigned to LEE SARA CORP (1)· patent assignee history
1988Patents assigned to SARA LEE CORP (1)· patent assignee history
1988–1998Based in Abingdon, VA, US· patent location history
1992–1993Patents assigned to TRC ACQUISITION CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELECTROLUX CORP | 6 | 1981–1998 |
| TRC ACQUISITION CORP | 2 | 1992–1993 |
| BOWERMAN LEONARD Eself | 1 | 1978 |
| LEE SARA CORP | 1 | 1988 |
| SARA LEE CORP | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Abingdon, Virginia, US | 8 | 1988–1998 |
| Fairfield, CT, US | 4 | 1978–1988 |