Inventor

Erwin Wanetzky

Inventor

Grosskrotzenburg, DE

Overview

1983–2003

Patent span

Performing operations

Primary field (CPC B)

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

C23Gprimary

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis13%

B01DSeparation9%

B08BCleaning in general9%

Y02PClimate change mitigation technologies in the production or processing of goods9%

B30BPresses in general6%

C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials6%

C22BProduction and refining of metals6%

C22CAlloys6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B03BSeparating solid materials using liquids or using pneumatic tables or jigs3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1992Patents assigned to LEYBOLD HERAEUS GMBH & CO KG (3)· patent assignee history

1983–2003Based in Grosskrotzenburg, DE· patent location history

1992–1995Patents assigned to LEYBOLD AG (3)· patent assignee history

1992–1995Based in Grosskotzenburg, DE· patent location history

1995–1996Patents assigned to LEYBOLD DURFERRIT GMBH (3)· patent assignee history

1997–1998Patents assigned to ALD VACUUM TECHN GMBH (2)· patent assignee history

2000–2003Patents assigned to ALD VACUUM TECHN AG (2)· patent assignee history

2000Based in Grosskrotzenberg, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations