Inventor

Robert E. Wetzel

Inventor

Springfield, MO, US

Overview

19→

Patents

1979–1989

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 as inventor

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

F16Gprimary

F16GBelts, cables, or ropes, predominantly used for driving purposes36%

B29DProducing particular articles from plastics or from substances in a plastic state25%

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. inserts16%

F16HGearing9%

Y10TTechnical subjects covered by former us classification5%

B27BSaws for wood or similar material2%

B27GAccessory machines or apparatus for working wood or similar materials2%

B29CShaping or joining of plastics2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

4,840,606'Synchronous drive system and method of making the same'1989 4,722,721'Synchronous drive system and method of making the same'1988 4,690,664'Toothed belt'1987 4,679,999'Synchronous drive system and method of making the same'1987 4,650,443'Synchronous drive system and method of making the same'1987 4,617,075'Method of making a belt'1986 4,586,973'Method of making belt'1986 4,583,963'Belt construction having enhanced tooth strength'1986 4,541,823'Long synchronous belt'1985 4,533,420'Toothed belt'1985 4,504,342'Belt construction and method of making same'1985 4,448,621'Long synchronous belt and method for making the same'1984 4,430,795'Safety device for chain saw'1984 4,415,397'Apparatus for making toothed belt'1983 4,414,047'Method of making an endless power transmission belt'1983 4,395,298'Method and apparatus for making toothed belts and belt made employing same'1983 4,343,666'Method of making toothed belt'1982 4,235,119'Toothed belt'1980 4,169,393'Endless power transmission belt, method of making same, and drive system using same'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1986Patents assigned to DAYCO CORP (13)· patent assignee history

1979–1989Based in Springfield, MO, US· patent location history

1984Patents assigned to BATES RICHARD (1)· patent assignee history

1984Patents assigned to WETZEL ROBERT (1)· patent assignee history

1984Based in Bath, PA, US· patent location history

1987–1989Patents assigned to DAYCO PRODUCTS INC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAYCO CORP	13	1979–1986
DAYCO PRODUCTS INC	5	1987–1989
BATES RICHARD	1	1984
WETZEL ROBERTself	1	1984

Locations

Location	Patents	Span
Springfield, MO, US	18	1979–1989
Bath, Pennsylvania, US	1	1984