Inventor
Edward Frank Ryntz
Inventor
Warren, MI, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material16%
Y10TTechnical subjects covered by former us classification10%
B22DCasting of metals6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B22CFoundry moulding4%
B60GVehicle suspension arrangements4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60LPropulsion of electrically-propelled vehicles4%
PatentTitleYear
RE043012'Quick plastic forming of aluminum alloy sheet metal'20116,845,839'Vehicle body platform'20056,843,336'Vehicle belly pan'20056,799,450'Method of stretch forming an aluminum metal sheet and handling equipment for doing the same'20046,694,790'Mid plate process and equipment for the superplastic forming of parts from plural sheets'20046,516,645'Hot die cleaning for superplastic and quick plastic forming'20036,253,588'Quick plastic forming of aluminum alloy sheet metal'20015,974,847'Superplastic forming process'19995,948,185'Method for improving the hemmability of age-hardenable aluminum sheet'19995,427,676'Method of making a cast-to-size mold for molding finished plastic parts'19955,263,533'Mold for producing thin wall castings by gravity pouring'19935,223,051'Method of producing cast-to-size tools'19935,143,747'Die improved tooling for metal working'19924,520,858'Chill-enhanced lost foam casting process'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2005Patents assigned to GEN MOTORS CORP (13)· patent assignee history
1985–2011Based in Warren, MI, US· patent location history
1992Patents assigned to HUGHES AIRCRAFT CO (1)· patent assignee history
2011Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2011Patents assigned to KIM CHONGMIN (1)· patent assignee history
2011Patents assigned to KIM SOOHO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 13 | 1985–2005 |
| GM GLOBAL TECH OPERATIONS INC | 1 | 2011 |
| HUGHES AIRCRAFT CO | 1 | 1992 |
| KIM CHONGMIN | 1 | 2011 |
| KIM SOOHO | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Warren, MI, US | 14 | 1985–2011 |