Inventor
Dean R. Sommerfeld
Inventor
Iola, WI, US
Overview
13→
Patents
1986–2003
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons15%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
D06FLaundering, drying, ironing, pressing or folding textile articles10%
F16CShafts10%
LOC0610%
Y10TTechnical subjects covered by former us classification10%
A47CChairs5%
B60BVehicle wheels5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
PatentTitleYear
6,601,271'System for mounting a wheel on a bed'20036,568,874'Pivot joint'20036,519,794'Side rail, side rail kinematic, and lock lever and lock pin for side rail'20036,473,922'Kinematic motion of articulated bed'20026,474,869'Bushing'2002D0445614'Pivotable support for an articulated bed'2001D0437143'Sleep surface'20016,101,648'Ramp assembly for an articulating bed'20005,894,877'Vertical blind'19995,088,542'Vertical blind apparatus'19925,038,843'Vertical blind with louver rotation control'19914,715,401'Hose storage access means for shipment of appliance'19874,572,596'Method and apparatus for assembling a cabinet for automatic washers'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1987Patents assigned to WHIRLPOOL CO (2)· patent assignee history
1986Based in Lincoln Township, Berrien County, MI, US· patent location history
1987Based in Green Springs, OH, US· patent location history
1991–1992Patents assigned to GRABER INC (2)· patent assignee history
1991–1999Based in Cottage Grove, WI, US· patent location history
1999Patents assigned to SPRINGS WINDOW FASHIONS DIV (1)· patent assignee history
2000–2001Patents assigned to SUNRISE MEDICAL CCG INC (3)· patent assignee history
2000–2003Based in Iola, WI, US· patent location history
2002–2003Patents assigned to SUNRISE MEDICAL HHG INC (5)· patent assignee history
2002Based in Jola, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUNRISE MEDICAL HHG INC | 5 | 2002–2003 |
| SUNRISE MEDICAL CCG INC | 3 | 2000–2001 |
| GRABER INC | 2 | 1991–1992 |
| WHIRLPOOL CO | 2 | 1986–1987 |
| SPRINGS WINDOW FASHIONS DIV | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iola, WI, US | 7 | 2000–2003 |
| Cottage Grove, WI, US | 3 | 1991–1999 |
| Jola, WI, US | 1 | 2002 |
| Green Springs, OH, US | 1 | 1987 |
| Lincoln Township, Berrien County, MI, US | 1 | 1986 |