Inventor

Charles D. Ray

Inventor

Williamsburg, VA, US

Overview

43→

Patents

1977–2010

Patent span

Human necessities

Primary field (CPC A)

Patents· 43 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Fprimary

A61FFilters implantable into blood vessels32%

A61BDiagnosis30%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons7%

A61LMethods or apparatus for sterilising materials or objects in general3%

A61NElectrotherapy3%

C08LCompositions of macromolecular compounds3%

G01VGeophysics3%

A61CDentistry1%

A61MDevices for introducing media into, or onto, the body1%

PatentTitleYear

7,789,843'Head positioning device for treatment of sleep apnea'2010 7,726,722'Motor vehicle door system'2010 7,654,825'Dental vibrator and acoustical unit with method for the inhibition of operative pain'2010 7,485,120'Tapered bone fusion cages or blocks, implantation means and method'2009 7,133,233'Disk drive with read while write capability'2006 6,852,095'Interbody device and method for treatment of osteoporotic vertebral collapse'2005 6,602,291'Prosthetic spinal disc nucleus having a shape change characteristic'2003 6,599,292'Distraction device for vertebral disc procedures and method of distracting'2003 6,582,431'Expandable non-threaded spinal fusion device'2003 6,306,170'Threaded fusion cage anchoring device and method'2001 6,283,984'Dural closing surgical forceps'2001 6,132,465'Tapered prosthetic spinal disc nucleus'2000 6,113,639'Trial implant and trial implant kit for evaluating an intradiscal space'2000 6,083,225'Method and instrumentation for implant insertion'2000 6,042,582'Instrumentation and method for facilitating insertion of spinal implant'2000 6,022,376'Percutaneous prosthetic spinal disc nucleus and method of manufacture'2000 5,824,093'Prosthetic spinal disc nucleus'1998 5,674,295'Prosthetic spinal disc nucleus'1997 5,665,111'Method for anchoring a surgical suture to bone'1997 5,649,945'Spinal anulus cutter'1997 5,562,736'Method for surgical implantation of a prosthetic spinal disc nucleus'1996 D0323712'Electronic sphygmomanometer'1992 5,055,104'Surgically implanting threaded fusion cages between adjacent low-back vertebrae by an anterior approach'1991 5,026,373'Surgical method and apparatus for fusing adjacent bone structures'1991 5,000,163'Retraction device'1991 4,961,740'V-thread fusion cage and method of fusing a bone joint'1990 4,944,744'Bone impactors'1990 4,904,260'Prosthetic disc containing therapeutic material'1990 4,824,089'Retractable buttocks support for operations in the prone sitting position'1989 4,805,599'Framework for supporting surgical instruments at a surgical wound'1989 4,800,875'Surgical funnel and method of using'1989 4,772,287'Prosthetic disc and method of implanting'1988 4,757,983'Head and chin for face-down operations'1988 4,738,248'Surgical retractors'1988 4,726,121'Surgical caliper'1988 4,662,619'Kneeling attachment for operations in the prone sitting position'1987 4,657,002'Bone impactors'1987 4,610,243'Malleable force-fulcrum retractor'1986 4,328,813'Brain lead anchoring system'1982 4,323,990'Seismic exploration system'1982 4,276,882'Lead anchoring device'1981 4,027,616'Protection means for depth control device'1977 4,016,531'System for recording seismic reflection signals in serial-by-trace format'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to MOBIL OIL CORP (3)· patent assignee history

1982–1991Based in Wayzata, MN, US· patent location history

1986–1988Patents assigned to RAY CHARLES D LTD (4)· patent assignee history

1986–1991Based in Deephaven, MN, US· patent location history

1988–1990Patents assigned to CEDAR SURGICAL INC (5)· patent assignee history

1990–2000Patents assigned to SURGICAL DYNAMICS INC (6)· patent assignee history

1996–2003Patents assigned to RAYMEDICA INC (9)· patent assignee history

1996–1997Based in Golden Valley, MN, US· patent location history

1998–2005Based in Williamsburg, VA, US· patent location history

2009–2010Based in Santa Barbara, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RAYMEDICA INC	9	1996–2003
SURGICAL DYNAMICS INC	6	1990–2000
CEDAR SURGICAL INC	5	1988–1990
RAY CHARLES D LTDself	4	1986–1988
MOBIL OIL CORP	3	1977–1982

Locations

Location	Patents	Span
Williamsburg, Virginia, US	12	1998–2005
Wayzata, Minnesota, US	10	1982–1991
Deephaven, Minnesota, US	7	1986–1991
Santa Barbara, California, US	4	2009–2010
Golden Valley, Minnesota, US	4	1996–1997