Inventor
David T. Sheller
Inventor
Garrettsville, OH, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry23%
Y02TClimate change mitigation technologies related to transportation14%
Y10TTechnical subjects covered by former us classification11%
B23KSoldering or unsoldering6%
F02BInternal-combustion piston engines6%
H01BCables6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,846,495'Structure for converter body'19985,820,835'Assembly and method for making catalytic converter structure'19985,657,923'Brazing of catalyzed converter bodies'19975,651,906'Electrically heatable converter body having plural thin metal core elements attached only at outer ends'19975,632,961'Reinforcing web for a multicellular converter'19975,532,453'Process for welding a stack of thin metal sheets'19965,422,083'Reinforced converter body'19955,384,099'Core element for catalytic converter'19955,318,756'Electrode feed through'19945,272,876'Core element for catalytic converter'19935,238,650'Electrode feed through'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1997Patents assigned to GRACE W R & CO (8)· patent assignee history
1993–1998Based in Garrettsville, OH, US· patent location history
1995Patents assigned to CAMET COMPANY (1)· patent assignee history
1998Patents assigned to ENGELHARD CORP (2)· patent assignee history
1998Based in Garretsville, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 8 | 1993–1997 |
| ENGELHARD CORP | 2 | 1998 |
| CAMET COMPANY | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Garrettsville, OH, US | 10 | 1993–1998 |
| Garretsville, OH, US | 1 | 1998 |