Inventor
Hans Vowinkel
Inventor
Florsheim, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
B29CShaping or joining of plastics7%
B29DProducing particular articles from plastics or from substances in a plastic state7%
B29LIndexing scheme associated with subclass b29c, relating to particular articles7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
F24SSolar heat collectors7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G02BOptical elements, systems or apparatus7%
PatentTitleYear
5,300,361'Process for the production of a polypropylene composite'19945,300,162'Process for the production of an optical coupler for polymeric optical fibers'19944,066,122'Multi-layer radiator of plastic material and process for its manufacture'19784,066,063'Device for the transmission of solar energy to a liquid medium'19784,030,541'Multi-element type radiator of plastic material'19774,000,642'Process and device for testing the thermostability of shaped articles of thermoplastic material'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1994Patents assigned to HOECHST AG (6)· patent assignee history
1977–1994Based in Florsheim, DE· patent location history
1977–1978Based in Florsheim am Main, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 6 | 1977–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Florsheim, DE | 4 | 1977–1994 |
| Florsheim am Main, DE | 2 | 1977–1978 |