Inventor
John M. Walker
Inventor
Grapevine, TX, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC15primary
LOC1521%
B05BSpraying apparatus13%
A61FFilters implantable into blood vessels8%
LOC238%
LOCD18%
A01GHorticulture4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
F04DNon-positive-displacement pumps4%
F21SNon-portable lighting devices4%
F21VFunctional features or details of lighting devices or systems thereof4%
PatentTitleYear
11,051,953Porous spinal implant202111,051,949Expandable orthopedic implant2021D0558230'Pump'2007D0558231'Pump'20077,252,482'Motor driven pump with improved motor cooling air flow'2007D0508921'Motor driven pump'20056,848,628'Modular fountain with bayonet connector'20056,843,428'Fountain having lighted portion'2005D0490442'Submersible pump'2004D0481781'Lighted fountain'20036,253,489'Lighted flower pot'2001D0422048'Fountain'20006,029,899'Table top fountain'2000D0403329'Pump'19985,825,431'H-sync to pixel clock phase detection circuit'19985,265,856'Sheet feeding and flattening apparatus'19935,233,259'Lateral field FBAR'1993D0268412'Submersible pump'1983D0263464'Boat'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to WALKER JOHN M S (1)· patent assignee history
1983Patents assigned to LITTLE GIANT PUMP COMPANY (1)· patent assignee history
1993Based in Beds, GB· patent location history
1998–2007Patents assigned to BECKETT CORP (8)· patent assignee history
1998Patents assigned to EASTMAN KODAK CO (1)· patent assignee history
1998–2005Based in Grapevine, TX, US· patent location history
1998Based in Richardson, TX, US· patent location history
2005–2007Based in Carrollton, TX, US· patent location history
2007Patents assigned to GEO GLOBAL PARTNERS LLC (2)· patent assignee history
2021Based in Madison, MS, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BECKETT CORP | 8 | 1998–2007 |
| GEO GLOBAL PARTNERS LLC | 2 | 2007 |
| EASTMAN KODAK CO | 1 | 1998 |
| LITTLE GIANT PUMP COMPANY | 1 | 1983 |
| WALKER JOHN M Sself | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grapevine, Texas, US | 8 | 1998–2005 |
| Carrollton, Texas, US | 4 | 2005–2007 |
| Madison, MS, US | 2 | 2021 |
| Richardson, Texas, US | 1 | 1998 |
| Beds, GB | 1 | 1993 |