Inventor
Richard W. Raburn
Inventor
Simpsonville, SC, US
Overview
Patents· 29 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 persons49%
A47CChairs28%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
LOC068%
PatentTitleYear
10,827,844Method for the treatment and prevention of decubitus ulcers for a patient due to interface of the patient with an air-powered low interface pressure overlay202010,722,041Air-powered low interface pressure overlay20208,893,340'Shear reducing mattress cover'20148,438,682'Shear reducing mattress cover'20137,296,315'Air-powered low interface pressure support surface'20076,848,138'Patient support surfaces'20056,782,574'Air-powered low interface pressure support surface'20046,256,819'Multi-section positioning wheelchair cushion'20016,223,369'Patient support surfaces'20016,036,271'Self-adjusting pressure relief seating system and methodology'20005,797,155'Wheelchair cushion with protectively encased self-adjusting reservoir means'1998D0394578'Wheelchair cushion'1998D0390404'Head cradle'1998D0388995'Foot support cushion'19985,699,570'Pressure relief valve vent line mattress system and method'19975,652,985'Self-adjusting pressure relief support system and methodology'19975,649,331'Self-adjusting pressure relief support system and methodology'19975,568,660'Wheelchair cushion and cover'1996D0374368'Modular backrest unit'19965,487,196'Automated pressure relief mattress support system'19965,459,896'Wheelchair cushion and cover'1995D0359190'Foot support cushion'1995D0355488'Body aligner'1995D0355322'Tri-zone mattress overlay'1995D0326976'Body aligner'1992D0322907'Mattress pad material or the like'19925,007,124'Support pad with uniform patterned surface'1991D0307687'Mattress pad material'1990D0307690'Mattress pad material'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2020Patents assigned to SPAN AMERICA MEDICAL SYSTEMS INC (13)· patent assignee history
1990–1998Based in Mauldin, SC, US· patent location history
1991–2014Patents assigned to SPAN AMERICA MEDICAL SYST (15)· patent assignee history
1995–2020Based in Simpsonville, SC, US· patent location history
2013Patents assigned to O'REAGAN JAMES R (1)· patent assignee history
2013Patents assigned to RABURN RICHARD W (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPAN AMERICA MEDICAL SYST | 15 | 1991–2014 |
| SPAN AMERICA MEDICAL SYSTEMS INC | 13 | 1990–2020 |
| O'REAGAN JAMES R | 1 | 2013 |
| RABURN RICHARD Wself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Simpsonville, SC, US | 20 | 1995–2020 |
| Mauldin, SC, US | 9 | 1990–1998 |