Inventor
A. Duane Preston
Inventor
New Prague, MN, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F17Cprimary
F17CVessels for containing or storing compressed, liquefied or solidified gases44%
D06FLaundering, drying, ironing, pressing or folding textile articles33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
F16KValves6%
F28CHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction6%
PatentTitleYear
6,851,148'Carbon dioxide dry cleaning system'20056,474,115'Shaft seal system with leak management'20026,442,980'Carbon dioxide dry cleaning system'20026,349,947'High pressure chamber door seal with leak detection system'20026,216,302'Carbon dioxide dry cleaning system'20016,044,647'Transfer system for cryogenic liquids'20005,954,101'Mobile delivery and storage system for cryogenic fluids'19995,937,655'Pressure building device for a cryogenic tank'19995,924,291'High pressure cryogenic fluid delivery system'19995,904,737'Carbon dioxide dry cleaning system'19995,651,473'Support system for cryogenic vessels'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2002Patents assigned to MVE INC (8)· patent assignee history
1997–2005Based in New Prague, MN, US· patent location history
2002–2005Patents assigned to CHART INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MVE INC | 8 | 1997–2002 |
| CHART INC | 3 | 2002–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Prague, Minnesota, US | 11 | 1997–2005 |