Inventor
William B. Black
Inventor
Eagan, MN, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification20%
G02BOptical elements, systems or apparatus15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons13%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons10%
B29DProducing particular articles from plastics or from substances in a plastic state5%
B41MPrinting, duplicating, marking, or copying processes5%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace5%
A61BDiagnosis3%
B42DBooks3%
PatentTitleYear
10,634,832Wide band semi-specular mirror film incorporating nanovoided polymeric layer20209,995,861Wide band semi-specular mirror film incorporating nanovoided polymeric layer20189,709,700'Optical bodies including rough strippable boundary layers'20179,561,629'Optical bodies including rough strippable boundary layers and asymmetric surface structures'20178,568,869'Optical bodies including rough strippable boundary layers and asymmetric surface structures'20138,152,806'Monopolar electrosurgical instrument'20127,820,282'Foam security substrate'20107,655,296'Ink-receptive foam article'20107,418,202'Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter'20084,785,769'Refractory lined bodies'19884,773,356'Lining a furnace with a refractory material'19884,740,339'Process for producing conjugate filaments'19884,725,284'Thermal transfer printing with z-alkyl-phenoxy anthraquinone dye mixture'19884,720,314'Process for producing self-crimping polyester yarn'19884,661,404'Self-crimping polyester yarn'19874,601,949'Conjugate filaments and process for producing same'19864,562,029'Self-crimping polyester yarn'19854,276,348'High tenacity polyethylene fibers and process for producing same'19814,228,118'Process for producing high tenacity polyethylene fibers'19804,040,778'Baking pit furnaces'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1988Patents assigned to MONSANTO CO (4)· patent assignee history
1980–1988Based in Pensacola, FL, US· patent location history
1985–1988Patents assigned to CELANESE CORP (3)· patent assignee history
1988Based in Bridge of Weir, GB· patent location history
1988Based in Sale, GB· patent location history
2008–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (8)· patent assignee history
2008–2020Based in Eagan, MN, US· patent location history
2012–2018Patents assigned to BLACK WILLIAM B (4)· patent assignee history
2012Based in Stone Mountain, GA, US· patent location history
2013–2018Patents assigned to WEBER MICHAEL F (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 8 | 2008–2020 |
| BLACK WILLIAM Bself | 4 | 2012–2018 |
| MONSANTO CO | 4 | 1980–1988 |
| CELANESE CORP | 3 | 1985–1988 |
| WEBER MICHAEL F | 3 | 2013–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eagan, Minnesota, US | 8 | 2008–2020 |
| Pensacola, Florida, US | 7 | 1980–1988 |
| Bridge of Weir, GB | 2 | 1988 |
| Stone Mountain, Georgia, US | 1 | 2012 |
| Sale, GB | 1 | 1988 |