Inventor

Jan Kelders

Inventor

Drunen, NL

Overview

2→

Patents

1991–2000

Patent span

Performing operations

Primary field (CPC B)

Patents· 2 as inventor

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

B41Jprimary

B41JTypewriters25%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers25%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

PatentTitleYear

6,135,275'Two component mixing containers'2000 5,005,999'Ink cassette with control means for alternately driving one of two spool bearing therein'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MERLIN CTC PROD (1)· patent assignee history

1991Based in Elshout, NL· patent location history

2000Patents assigned to HENKEL KGAA (1)· patent assignee history

2000Based in Drunen, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HENKEL KGAA	1	2000
MERLIN CTC PROD	1	1991

Locations

Location	Patents	Span
Drunen, NL	1	2000
Elshout, NL	1	1991