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Inventor

James H. Draeger

Inventor
Beaver Dam, WI, US

Overview

3→
Patents
1989–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B30Bprimary
B30BPresses in general29%
B21JForging14%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling14%
F16DCouplings for transmitting rotation14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
11,125,280Hydrodynamic friction clutch20214,930,334'Quick change structure for trim die'19904,819,554'Transfer and quick change system'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to DEERE & CO (2)· patent assignee history
1989–1990Based in Beaver Dam, WI, US· patent location history
2021Patents assigned to MAHLE INT GMBH (1)· patent assignee history
2021Based in Niefern, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO21989–1990
MAHLE INT GMBH12021
Locations
LocationPatentsSpan
Beaver Dam, WI, US21989–1990
Niefern, DE12021