Inventor
William H. Campbell
Inventor
Midland, MI, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
C08LCompositions of macromolecular compounds19%
Y10TTechnical subjects covered by former us classification19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry16%
C07KPeptides16%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
9,482,604'Equi-biaxial membrane stretcher'20168,323,502'Multi-layered macromolecules and methods for their use'20128,114,294'Multi-layered macromolecules and methods for their use'20127,384,546'Multi-layered macromolecules and methods for their use'20087,157,529'Multi-layered macromolecules and methods for their use'20076,803,106'Multi-layered macromolecules and methods for their use'20045,082,735'Process of curing methylhydrosiloxanes'19924,855,471'Process for the chlorodephenylation of phenyldisilanes'19894,824,981'Process to produce silyl ketene acetals'19894,321,917'Surgical drape support and oxygen supply device'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Based in Coffeyville, KS, US· patent location history
1989–1992Patents assigned to DOW CORNING (3)· patent assignee history
1989–2012Based in Midland, MI, US· patent location history
2004–2012Patents assigned to KIM YUNG K (4)· patent assignee history
2004–2012Patents assigned to SKINNER CHARLES E (4)· patent assignee history
2004–2012Patents assigned to CAMPBELL WILLIAM HENRY (3)· patent assignee history
2007–2012Patents assigned to DIAZEM CORP (3)· patent assignee history
2007–2008Based in Milesburg, PA, US· patent location history
2016Based in Boston, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KIM YUNG K | 4 | 2004–2012 |
| SKINNER CHARLES E | 4 | 2004–2012 |
| CAMPBELL WILLIAM HENRYself | 3 | 2004–2012 |
| DIAZEM CORP | 3 | 2007–2012 |
| DOW CORNING | 3 | 1989–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 6 | 1989–2012 |
| Milesburg, Pennsylvania, US | 2 | 2007–2008 |
| Boston, Massachusetts, US | 1 | 2016 |
| Coffeyville, KS, US | 1 | 1982 |