Inventor
William J. Bertrand
Inventor
Ventura, CA, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body57%
A61BDiagnosis14%
F16KValves11%
Y10TTechnical subjects covered by former us classification8%
A61LMethods or apparatus for sterilising materials or objects in general3%
A61NElectrotherapy3%
F16FSprings3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
D0922572Tool for adjusting an implantable adjustable fluid flow control valve202110,369,335Fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting change and improved accessory tool coupling20199,731,101'Method of using a system for draining cerebral spinal fluid'20179,427,559'Device and method for finding the center and reading the setting of an implantable medical device'20169,364,646'Tool for adjusting an implantable adjustable fluid flow control valve'20169,295,826'Fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting change and improved accessory tool coupling'20169,126,010'Device and method for finding the center and reading the setting of an implantable medical device'20158,740,833'Anti-thrombogenic venous shunt method'20148,691,258'Anti-infective medical device'20148,622,978'Tool for adjusting an implantable adjustable fluid flow control valve'20148,539,956'System for use with an implantable medical device'20138,333,728'Implantable cerebrospinal fluid flow device and method of controlling flow of cerebrospinal fluid'20128,292,856'Implantable cerebral spinal fluid drainage system'20128,257,296'System including an implantable medical device and electronic valve indicator and locator device'20128,015,977'Indicator tool for use with an implantable medical device'20118,002,730'Anti-thrombogenic venous shunt system and method'20117,856,987'Electronic valve reader'20107,582,068'Occlusion resistant hydrocephalic shunt'20097,334,582'Electronic valve reader'20087,309,330'Implantable cerebral spinal fluid drainage device and method of draining cerebral spinal fluid'20076,371,464'Valve spring'20025,637,083'Implantable adjustable fluid flow control valve'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2021Based in Ventura, CA, US· patent location history
2002–2021Patents assigned to MEDTRONIC INC (16)· patent assignee history
2008–2010Based in Ventrua, CA, US· patent location history
2012–2014Patents assigned to BERTRAND WILLIAM J (7)· patent assignee history
2012–2019Patents assigned to MEDTRONIC XOMED INC (5)· patent assignee history
2012–2013Patents assigned to SPECKMAN LORI C (3)· patent assignee history
2012Patents assigned to CONE SPECKMAN LORI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MEDTRONIC INC | 16 | 2002–2021 |
| BERTRAND WILLIAM Jself | 7 | 2012–2014 |
| MEDTRONIC XOMED INC | 5 | 2012–2019 |
| SPECKMAN LORI C | 3 | 2012–2013 |
| CONE SPECKMAN LORI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ventura, California, US | 20 | 1997–2021 |
| Ventrua, California, US | 2 | 2008–2010 |