Inventor

Helmut Welker

Inventor

Jamestown, NY, US

Overview

8→

Patents

1977–2003

Patent span

Physics

Primary field (CPC G)

Patents· 8 as inventor

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

G01Dprimary

G01DMeasuring not specially adapted for a specific variable31%

G01BMeasuring length, thickness or similar linear dimensions25%

A47JKitchen equipment13%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling13%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

6,612,047'Length measuring device'2003 5,168,140'Microwave coffee brewer and travel mug'1992 4,721,835'Microwave brewing cup'1988 4,672,201'Phase controlled incremental distance measuring system'1987 4,586,760'Measuring scale casing and mounting spar'1986 RE029282'Measuring apparatus using the moire fringe concept of measurement'1977 RE029281'Measuring apparatus using the moire fringe concept of measurement'1977 4,031,595'High precision incremental distance measuring system'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1986Patents assigned to BAUSCH & LOMB (2)· patent assignee history

1977–2003Based in Jamestown, NY, US· patent location history

1987–2003Patents assigned to ACU RITE INC (2)· patent assignee history

1988–1992Patents assigned to WELKER HELMUT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACU RITE INC	2	1987–2003
BAUSCH & LOMB	2	1977–1986
WELKER HELMUTself	2	1988–1992

Locations

Location	Patents	Span
Jamestown, New York, US	8	1977–2003