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Inventor

Hans-Joerg Hopfengart

Inventor
Aichwald, DE

Overview

2→
Patents
2017–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
A61BDiagnosis11%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons11%
B23DPlaning11%
B26DCutting11%
F16CShafts11%
F16HGearing11%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere11%
PatentTitleYear
10,918,551Device for manually unlocking a holding mechanism to which a load can be applied20219,573,286'Dust collection system for a circular saw'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2017Patents assigned to BOSCH TOOL CORP (1)· patent assignee history
2017–2021Based in Aichwald, DE· patent location history
2021Patents assigned to MAQUET GmbH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSCH GMBH ROBERT12017
BOSCH TOOL CORP12017
MAQUET GmbH12021
Locations
LocationPatentsSpan
Aichwald, DE22017–2021