Inventor
Richard A. Mason
Inventor
Wiltshire, GB
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A45FTravelling or camp equipment: sacks or packs carried on the body5%
A46BBrushes5%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing5%
B60LPropulsion of electrically-propelled vehicles5%
E01HStreet cleaning5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
F41CSmallarms, e.g. pistols, rifles5%
H02JElectric power networks5%
PatentTitleYear
7,721,385'Filter housing for a domestic appliance'20107,425,225'Exhaust assembly'20087,258,714'Filter housing'2007D0522194'Filter arrangement for a vacuum cleaner'20066,814,270'Gun holster'20046,676,532'Screen assembly'20045,045,118'Method of removing debris and dust from a carpet'19914,805,256'Scrubber squeegee pivoted concentric with brush drive'19894,788,480'Voltage control for battery powered motor or the like'19884,495,380'Combined metal and plastic standoff'19854,138,756'Surface maintenance machine drive and brush'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1991Patents assigned to TENNANT CO (4)· patent assignee history
1979–1991Based in Buffalo, MN, US· patent location history
1985Based in Orange, CT, US· patent location history
2004Patents assigned to BOULTON ROBERT (1)· patent assignee history
2004Patents assigned to MASON RICHARD ANTHONY (1)· patent assignee history
2004Based in Kennesaw, GA, US· patent location history
2004Based in Macclesfield, GB· patent location history
2006Patents assigned to DYSON LTD (1)· patent assignee history
2006–2010Based in Wiltshire, GB· patent location history
2007–2010Patents assigned to DYSON TECHNOLOGY LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TENNANT CO | 4 | 1979–1991 |
| DYSON TECHNOLOGY LTD | 3 | 2007–2010 |
| BOULTON ROBERT | 1 | 2004 |
| DYSON LTD | 1 | 2006 |
| MASON RICHARD ANTHONYself | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wiltshire, GB | 4 | 2006–2010 |
| Buffalo, Minnesota, US | 4 | 1979–1991 |
| Kennesaw, Georgia, US | 1 | 2004 |
| Macclesfield, GB | 1 | 2004 |
| Orange, CT, US | 1 | 1985 |