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Inventor

Wolfgang Holl

Inventor
Ettlingen, DE

Overview

9→
Patents
1981–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry45%
B02CCrushing, pulverising, or disintegrating in general27%
A47JKitchen equipment9%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids9%
C02FTreatment of water, waste water, sewage, or sludge9%
PatentTitleYear
10,413,907Counter-rotating pinned disc mill20198,690,087'Roller mill for coffee'20146,688,473'High gradient magnetic separator'20046,080,315'Process for the partial desalination of water'20004,894,167'Process for removing heavy metal cations and/or alkali metal cations from aqueous solutions with an ion exchanger material'19904,894,168'Process for the removal of cations of an alkaline earth metal species from aqueous solutions with an ion exchanger material'19904,836,459'Apparatus for feeding rolling mills, particularly for oil seed'19894,448,693'Method for partially desalinating water with a weakly acid and strongly basic ion exchanger materials and subsequently regenerating the ion exchanger materials'19844,299,922'Method for regenerating anion exchange resins in bicarbonate form'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1990Patents assigned to KERNFORSCHUNGSZ KARLSRUHE (4)· patent assignee history
1981–2004Based in Ettlingen, DE· patent location history
1989Patents assigned to BAUERMEISTER & CO GEB (1)· patent assignee history
1989Based in Gudehandviertel, DE· patent location history
2000–2004Patents assigned to KARLSRUHE FORSCHZENT (2)· patent assignee history
2014Patents assigned to BAUERMEISTER ZERKLEINERUNGSTECHNIK GMBH (1)· patent assignee history
2014–2019Based in Guderhandviertel, DE· patent location history
2019Patents assigned to HAMBURG DRESDNER MASCHF GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KERNFORSCHUNGSZ KARLSRUHE41981–1990
KARLSRUHE FORSCHZENT22000–2004
BAUERMEISTER & CO GEB11989
BAUERMEISTER ZERKLEINERUNGSTECHNIK GMBH12014
HAMBURG DRESDNER MASCHF GMBH12019
Locations
LocationPatentsSpan
Ettlingen, DE61981–2004
Guderhandviertel, DE22014–2019
Gudehandviertel, DE11989