Inventor
Hengda D. Liu
Inventor
Warsaw, IN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels25%
A61LMethods or apparatus for sterilising materials or objects in general15%
B22FWorking metallic powder15%
C22CAlloys15%
A61BDiagnosis10%
B24BMachines, devices, or processes for grinding or polishing5%
B24CAbrasive or related blasting with particulate material5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
PatentTitleYear
10,433,964Prosthesis with surfaces having different textures and method of making the prosthesis20199,393,118'Implants with roughened surfaces'20169,101,476'Prosthesis with surfaces having different textures and method of making the prosthesis'20158,506,643'Acetabular prosthesis system'20137,985,260'Acetabular prosthesis system'20117,002,689'Optically-based method and apparatus for detecting and characterizing surface pits in a metal film during chemical mechanical polish'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Based in Beaverton, OR, US· patent location history
2011–2019Based in Warsaw, IN, US· patent location history
2013–2015Patents assigned to LIU HENGDA D (2)· patent assignee history
2013–2015Patents assigned to RYBOLT JEFFREY A (2)· patent assignee history
2015Patents assigned to DEFFENBAUGH DAREN L (1)· patent assignee history
2015Patents assigned to DEPUY IRELAND (1)· patent assignee history
2019Patents assigned to DEPUY IRELAND ULTD CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LIU HENGDA Dself | 2 | 2013–2015 |
| RYBOLT JEFFREY A | 2 | 2013–2015 |
| DEFFENBAUGH DAREN L | 1 | 2015 |
| DEPUY IRELAND | 1 | 2015 |
| DEPUY IRELAND ULTD CO | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Warsaw, IN, US | 5 | 2011–2019 |
| Beaverton, OR, US | 1 | 2006 |