Inventor
David B. Rennecker
Inventor
Canton, OH, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning63%
B01DSeparation13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
A61LMethods or apparatus for sterilising materials or objects in general6%
LOC156%
PatentTitleYear
9,713,411'Surface-treatment apparatus and head unit'20177,794,516'Filter bag mounting assembly'2010D0600868'Mounting collar for a filter bag'20097,299,521'Brush assembly distribution apparatus'20076,419,169'Spray nozzle for a carpet and upholstery extractor'20025,983,442'Carpet extractor with automatic conversion'19995,961,676'Hard bag door with air directing arrangement'19995,863,309'Hard bag door with air directing arrangement'19995,608,946'Control cable and wiring arrangement for a vaccum cleaner'19974,720,891'Member with deformable brush retaining tabs'19884,554,698'Dispensing arrangement for an upright vacuum cleaner'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2007Patents assigned to HOOVER CO (8)· patent assignee history
1985–2017Based in Canton, OH, US· patent location history
2009–2010Patents assigned to SCOTT & FETZER CO (2)· patent assignee history
2017Patents assigned to The Kirby Company / Scott Fetzer Company (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOOVER CO | 8 | 1985–2007 |
| SCOTT & FETZER CO | 2 | 2009–2010 |
| The Kirby Company / Scott Fetzer Company | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Canton, OH, US | 11 | 1985–2017 |