Inventor
Richard Duda
Inventor
Stillwater, MN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B82Yprimary
B82YSpecific uses or applications of nanostructures20%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%
A61BDiagnosis13%
G03GElectrography13%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing7%
E03BInstallations or methods for obtaining, collecting, or distributing water7%
E21BEarth or rock drilling7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
9,851,268Flexible electrically conductive nanotube sensor for elastomeric devices20179,534,972'Pressure sensor with a deformable electrically resistive membrane'20178,746,075'Flexible electrically conductive nanotube sensor for elastomeric devices'20147,941,085'Fusing core and drive collar assembly'20117,242,899'Collar assembly for printer fusing system'20075,222,929'Walking exercise apparatus'19934,370,919'Vent cap assembly for a monitoring well'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Based in Maplewood, MN, US· patent location history
1993–2014Patents assigned to DUDA RICHARD (2)· patent assignee history
1993Based in Bedford, MA, US· patent location history
2007–2014Patents assigned to SIGMA INC 7 (3)· patent assignee history
2007–2017Based in Stillwater, MN, US· patent location history
2014Patents assigned to EICHHORN WADE R (1)· patent assignee history
2017Patents assigned to 7-SIGMA INC (2)· patent assignee history
2017Patents assigned to 7-SIGMA INCORPORATED (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIGMA INC 7 | 3 | 2007–2014 |
| 7-SIGMA INC | 2 | 2017 |
| DUDA RICHARDself | 2 | 1993–2014 |
| 7-SIGMA INCORPORATED | 1 | 2017 |
| EICHHORN WADE R | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stillwater, Minnesota, US | 5 | 2007–2017 |
| Bedford, Massachusetts, US | 1 | 1993 |
| Maplewood, Minnesota, US | 1 | 1983 |