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Inventor

Richard K. Wampler

Inventor
Loomis, CA, US

Overview

39→
Patents
1986–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 39 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 body29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
F04DNon-positive-displacement pumps20%
F16CShafts19%
H02KDynamo-electric machines6%
A61FFilters implantable into blood vessels2%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g2%
PatentTitleYear
10,758,654Rotary blood pump202010,751,454Rotary blood pump with opposing spindle magnets, bore and drive windings202010,391,215Rotary blood pump with opposing spindle magnets, bore and drive windings201910,265,449Rotary blood pump201910,034,972Rotary blood pump with opposing spindle magnets, bore and drive windings20189,844,617Rotary blood pump with opposing spindle magnets, bore and drive windings20179,545,467'Rotary blood pump with opposing spindle magnets, bore and drive windings'20179,533,083'Methods of operating a rotary blood pump'20179,512,852'Rotary blood pump'20168,834,342'Rotary blood pump'20148,807,968'Rotary blood pump with opposing spindle magnets, bore and drive windings'20148,684,902'Rotary blood pump'20148,579,607'Rotary blood pump with opposing spindle magnets, bore and drive windings'20138,118,724'Rotary blood pump'20127,802,966'Rotary blood pump'20107,753,645'Rotary blood pump with opposing spindle magnets and contoured housing'20107,682,301'Rotary blood pump'20107,575,423'Sealless rotary blood pump'20097,431,688'Rotary blood pump'20087,416,525'Rotary blood pump'20086,688,861'Sealless rotary blood pump'20046,592,620'Power system for an implantable heart pump'20036,368,083'Sealless rotary blood pump'20026,264,635'Active magnetic bearing system for blood pump'20016,234,998'Sealless rotary blood pump'20016,234,772'Rotary blood pump'20016,149,683'Power system for an implantable heart pump'20006,126,638'Active magnetic bearing system for blood pump'20006,120,537'Sealless blood pump with means for avoiding thrombus formation'20006,080,133'Sealless rotary blood pump'20005,840,070'Sealless rotary blood pump'19985,695,471'Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings'19975,061,256'Inflow cannula for intravascular blood pumps'19914,944,722'Percutaneous axial flow blood pump'19904,908,012'Chronic ventricular assist system'19904,906,229'High-frequency transvalvular axisymmetric blood pump'19904,846,152'Single-stage axial flow blood pump'19894,817,586'Percutaneous bloom pump with mixed-flow output'19894,625,712'High-capacity intravascular blood pump utilizing percutaneous access'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Based in Rancho Cordova, CA, US· patent location history
1989–1990Patents assigned to NIMBUS MEDICAL INC (5)· patent assignee history
1989–1991Based in Gold River, CA, US· patent location history
1997–2003Patents assigned to KRITON MEDICAL INC (10)· patent assignee history
1997–2009Based in Granite Bay, CA, US· patent location history
2008–2020Based in Loomis, CA, US· patent location history
2010–2017Patents assigned to THORATEC CORP (11)· patent assignee history
2012–2014Patents assigned to LANCISI DAVID M (4)· patent assignee history
2017–2020Patents assigned to TC1 LLC (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THORATEC CORP112010–2017
KRITON MEDICAL INC101997–2003
TC1 LLC62017–2020
NIMBUS MEDICAL INC51989–1990
LANCISI DAVID M42012–2014
Locations
LocationPatentsSpan
Loomis, California, US192008–2020
Granite Bay, California, US131997–2009
Gold River, California, US41989–1991
Rancho Cordova, California, US31986–1990