Inventor
David A. Richardson
Inventor
Sheldonville, MA, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
G05BControl or regulating systems in general6%
A41DOuterwear4%
F03GSpring, weight, inertia or like motors4%
G01RMeasuring electric variables4%
A01GHorticulture2%
PatentTitleYear
11,034,607Hollow-core photonic bandgap fibers and methods of manufacturing the same202110,143,245Antigravity whole body exercise garments201810,010,749Thoracic stabilizer2018D0784645'Bucket liner'2017D0764292'Dispensable tube cap and retention assembly'20169,289,641'Antigravity whole body exercise garments'2016D0507167'Multi function stud climbing and carpentry tool'2005D0376554'Vehicle stopping indicator'19965,149,329'Surgical suture carrier and method for urinary bladder neck suspension'19925,041,233'Process for preparing soap-acyl isethionate compositions'19915,025,770'Apparatus and engine to provide power to the apparatus'19914,704,676'Method and apparatus for configuring a controller'19874,658,348'Method and apparatus for configuring a controller'19874,616,332'Apparatus for converting analog-format signals to pulse-format signals'19864,604,031'Hollow fluid cooled turbine blades'19864,497,610'Shroud assembly for a gas turbine engine'19854,473,336'Turbine blades'1984RE031416'Electric signal transmitter for vibrating-wire sensor'19834,348,673'Instrumentation system with electric signal transmitter'19824,118,977'Electric signal transmitter for vibrating-wire sensor'19784,107,874'Sprouter'19784,085,614'Vortex flow meter transducer'19784,016,721'Positioning device using negative spring-rate tensioning means'19773,952,293'Method and apparatus for displaying industrial process control parameters'19763,948,098'Vortex flow meter transmitter including piezo-electric sensor'19763,940,935'Positioning device using negative spring-rate tensioning means'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to FOXBORO CO (10)· patent assignee history
1976–1983Based in Sheldonville, MA, US· patent location history
1978–2017Patents assigned to RICHARDSON DAVID A (3)· patent assignee history
1984–1986Patents assigned to ROLLS ROYCE (3)· patent assignee history
1984–1985Based in Mickleover, GB· patent location history
1986–1987Based in East Greenwich, RI, US· patent location history
1991Patents assigned to BAMFORD EXCAVATORS LTD (1)· patent assignee history
2016–2018Patents assigned to GRAVITY FITNESS AUSTRALIA PTY LTD (3)· patent assignee history
2016–2018Based in Auchenflower, AU· patent location history
2016–2017Based in Litchfield Park, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FOXBORO CO | 10 | 1976–1987 |
| GRAVITY FITNESS AUSTRALIA PTY LTD | 3 | 2016–2018 |
| RICHARDSON DAVID Aself | 3 | 1978–2017 |
| ROLLS ROYCE | 3 | 1984–1986 |
| BAMFORD EXCAVATORS LTD | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sheldonville, Massachusetts, US | 8 | 1976–1983 |
| East Greenwich, RI, US | 3 | 1986–1987 |
| Auchenflower, AU | 2 | 2016–2018 |
| Litchfield Park, AZ, US | 2 | 2016–2017 |
| Mickleover, GB | 2 | 1984–1985 |