Inventor
David E. Parker
Inventor
Clemmons, NC, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B62Mprimary
B62MRider propulsion of wheeled vehicles or sledges12%
F16HGearing12%
G01VGeophysics12%
Y10TTechnical subjects covered by former us classification12%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons6%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%
C02FTreatment of water, waste water, sewage, or sludge6%
C04BLime, magnesia6%
PatentTitleYear
11,008,240Process for reduction of sulfide from water and wastewater20219,370,454'Compact drive mechanism for wheeled personal transporter and method'20169,115,785'Compact drive mechanism with selective reverse power output'20157,662,437'Template for arranging spacers on a preform and method of densifying a preform including the use of spacers positioned by a template'20107,332,195'Chemical vapor deposition method'20085,074,826'Variable speed transmission'19914,972,578'Method of making a cable mounted magnetostrictive line hydrophone'19904,965,778'Helical magnetostrictive core line hydrophone'19904,843,998'Submersible drive means'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Based in Cobleskill, NY, US· patent location history
1990Patents assigned to US NAVY (2)· patent assignee history
1990Based in Pawcatuck, CT, US· patent location history
1991Patents assigned to FAIRCHILD IND PRODUCTS COMPANY (1)· patent assignee history
1991–2016Based in Clemmons, NC, US· patent location history
2008–2010Patents assigned to HONEYWELL INT INC (2)· patent assignee history
2008–2010Based in Granger, IN, US· patent location history
2015Patents assigned to DESMOND WILLIAM X (1)· patent assignee history
2016Patents assigned to AVANT MOBILITY LLC (1)· patent assignee history
2021Based in Pittsburgh, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INT INC | 2 | 2008–2010 |
| US NAVY | 2 | 1990 |
| AVANT MOBILITY LLC | 1 | 2016 |
| DESMOND WILLIAM X | 1 | 2015 |
| FAIRCHILD IND PRODUCTS COMPANY | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Clemmons, NC, US | 3 | 1991–2016 |
| Granger, IN, US | 2 | 2008–2010 |
| Pawcatuck, CT, US | 2 | 1990 |
| Pittsburgh, Pennsylvania, US | 1 | 2021 |
| Cobleskill, New York, US | 1 | 1989 |