Inventor
Douglas Conrad
Inventor
Keota, IA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A41Dprimary
A41DOuterwear13%
A41FGarment fastenings13%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons13%
A62BDevices, apparatus or methods for life-saving13%
B05BSpraying apparatus13%
F41HArmour13%
B05CApparatus for applying fluent materials to surfaces, in general7%
F04BPositive-displacement machines for liquids7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,943,122Method and apparatus for rapid evacuation of injured persons from hostile environments20189,451,799'Method and apparatus for rapid evacuation of injured persons from hostile environments'20165,585,143'Apparatus and methods for applying solvent-free liquified coatings in a reclaim space'19964,635,585'System for spray coating substrates'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1996Patents assigned to NORDSON CORP (2)· patent assignee history
1987–1996Based in Lorain, OH, US· patent location history
2016Patents assigned to CONRAD DOUGLAS (1)· patent assignee history
2016Patents assigned to DAART-NET IND LLC (1)· patent assignee history
2016–2018Based in Keota, IA, US· patent location history
2018Patents assigned to DAART NET IND LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORDSON CORP | 2 | 1987–1996 |
| CONRAD DOUGLASself | 1 | 2016 |
| DAART NET IND LLC | 1 | 2018 |
| DAART-NET IND LLC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Keota, IA, US | 2 | 2016–2018 |
| Lorain, OH, US | 2 | 1987–1996 |