Inventor

Daniel C. Wilhelm

Inventor

Zurich, CH

Overview

1978–2020

Patent span

Performing operations

Primary field (CPC B)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B08Bprimary

B08BCleaning in general8%

B29CShaping or joining of plastics8%

B29DProducing particular articles from plastics or from substances in a plastic state8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

C01BNon-metallic elements8%

C03BManufacture, shaping, or supplementary processes8%

C04BLime, magnesia8%

D04HMaking textile fabrics, e.g. from fibres or filamentary material8%

G02BOptical elements, systems or apparatus8%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to CORNING GLASS WORKS (1)· patent assignee history

1978Based in Campbell, NY, US· patent location history

1982Patents assigned to KENNECOTT CORP (1)· patent assignee history

1982Based in Waltham, MA, US· patent location history

2020Patents assigned to ALCON INC (1)· patent assignee history

2020Patents assigned to NOVARTIS AG (1)· patent assignee history

2020Based in Zurich, CH· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations