Inventor
Elmer W. Jensen
Inventor
New Castle, DE, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening15%
B24BMachines, devices, or processes for grinding or polishing14%
B29CShaping or joining of plastics12%
B29LIndexing scheme associated with subclass b29c, relating to particular articles12%
Y10TTechnical subjects covered by former us classification12%
C08JWorking-up10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties2%
PatentTitleYear
6,903,021'Method of polishing a semiconductor device'20056,899,611'Polishing pad for a semiconductor device having a dissolvable substance'20056,454,633'Polishing pads of flocked hollow fibers and methods relating thereto'20026,439,989'Polymeric polishing pad having continuously regenerated work surface'20025,900,164'Method for planarizing a semiconductor device surface with polymeric pad containing hollow polymeric microelements'19995,578,362'Polymeric polishing pad containing hollow polymeric microelements'19965,487,697'Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads'19965,264,010'Compositions and methods for polishing and planarizing surfaces'19934,927,432'Pad material for grinding, lapping and polishing'19904,728,552'Substrate containing fibers of predetermined orientation and process of making the same'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2002Patents assigned to RODEL INC (8)· patent assignee history
1988Based in Norwalk, CT, US· patent location history
1990Based in Wilmington, DE, US· patent location history
1993–2005Based in New Castle, DE, US· patent location history
2002Based in Chadds Ford, PA, US· patent location history
2005Patents assigned to ROHM & HAAS ELECT MAT (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RODEL INC | 8 | 1988–2002 |
| ROHM & HAAS ELECT MAT | 2 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Castle, Delaware, US | 7 | 1993–2005 |
| Chadds Ford, Pennsylvania, US | 1 | 2002 |
| Wilmington, Delaware, US | 1 | 1990 |
| Norwalk, CT, US | 1 | 1988 |