Inventor

David L. Caldwell

Inventor

Sale, GB

Overview

1983–2000

Patent span

Performing operations

Primary field (CPC B)

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

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables21%

C09DCoating compositions, e.g. paints, varnishes or lacquers14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

B60NSeats specially adapted for vehicles7%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors7%

D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like7%

D06BTreating textile materials using liquids, gases or vapours7%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%

F16CShafts7%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to GEN MOTORS CORP (1)· patent assignee history

1984Patents assigned to OWENS ILLINOIS INC (1)· patent assignee history

1984Based in Lavalette, WV, US· patent location history

1985–1988Patents assigned to ICI PLC (2)· patent assignee history

1985–1988Based in Sale, GB· patent location history

1997–2000Patents assigned to BASF CORP (3)· patent assignee history

1997Based in Greenville, SC, US· patent location history

2000Based in Easley, SC, US· patent location history

2000Based in Weaverville, NC, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations