Inventor
John A. Leonatti
Inventor
Uniontown, OH, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning50%
B01DSeparation10%
B67DDispensing, delivering or transferring liquids, not otherwise provided for10%
H01HElectric switches10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,954,200'Constant head device for a cleaning machine'20116,134,746'Hand held turbine powered extractor nozzle'20006,108,862'Hand grip and upper handle assembly for a self-propelled upright vacuum cleaner'20005,433,242'Pressure activated dispensing valve'19954,831,685'Wet and dry vacuum cleaner'19894,364,757'Vacuum cleaner filter bag collar arrangement'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2011Patents assigned to HOOVER CO (6)· patent assignee history
1982–2011Based in Uniontown, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOOVER CO | 6 | 1982–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Uniontown, OH, US | 6 | 1982–2011 |