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Inventor

Peter Happe

Inventor
Eggenstein-Leopoldshafen, DE

Overview

4→
Patents
1977–2005
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification23%
F16KValves15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B01DSeparation8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08JWorking-up8%
C08LCompositions of macromolecular compounds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
G05DSystems for controlling or regulating non-electric variables8%
PatentTitleYear
6,916,876'Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems'20054,299,250'Check and regulator valve'19814,084,617'Pipeline cutoff device'19784,033,021'Gas separation nozzles and method and apparatus for producing such nozzles'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MESSERSCHMITT BOELKOW BLOHM (1)· patent assignee history
1977–1981Based in Eggenstein-Leopoldshafen, DE· patent location history
1978Patents assigned to ROMBACH JOHANN BAPTIST (1)· patent assignee history
1981Patents assigned to ROMBACH GMBH JOHANN B (1)· patent assignee history
2005Patents assigned to BORCHERS GMBH (1)· patent assignee history
2005Based in Solingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BORCHERS GMBH12005
MESSERSCHMITT BOELKOW BLOHM11977
ROMBACH GMBH JOHANN B11981
ROMBACH JOHANN BAPTIST11978
Locations
LocationPatentsSpan
Eggenstein-Leopoldshafen, DE31977–1981
Solingen, DE12005