Inventor
Wolfgang Kaufhold
Inventor
Kln, DE
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds37%
C08LCompositions of macromolecular compounds14%
C08JWorking-up9%
H02JElectric power networks7%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
A61FFilters implantable into blood vessels2%
B29CShaping or joining of plastics2%
PatentTitleYear
10,238,531Thermoplastic polyurethanes, use of these material for the preparation of T-frames for intrauterine systems and T-frames made out of this material20199,718,917'Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols'20179,593,199'Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols'20179,458,277'Homogeneous extruded articles made from thermoplastically processable polyurethanes based on polyester diols formed from succinic acid and 1,3-propanediol'20168,697,830'Aliphatic, sinterable, thermoplastic polyurethane molding compositions with improved blooming behavior'20146,930,163'Process for the continuous preparation of thermoplastically processable polyurethanes with improved softening properties'20056,869,999'Process for the preparation of thermoplastic, non-tacky polyurethanes'20056,706,807'Aliphatic thermoplastic polyurethanes and use thereof'20046,632,866'Aliphatic thermoplastic polyurethanes and use thereof'20036,596,820'Light-resistant thermoplastic polyurethanes, a process for their preparation and their use'20036,559,266'Aliphatic thermoplastic polyurethanes, a process for producing them and the use thereof'20036,559,267'Mouldings of thermoplastic polyurethanes exhibiting reduced fogging'20036,552,153'Thermoplastic resins having incorporated mold release agents'20036,527,995'Process for preparing soft, elastic polyurethane'20036,518,389'Aliphatic thermoplastic polyurethanes, processes for their preparation and their use'20036,486,243'Thermoplastically processable polyurethane elastomers having an improved intrinsic color'20026,420,510'Aliphatic, low-emission thermoplastic polyurethane molding materials suitable for sintering'20026,410,638'Aliphatic, sinterable, thermoplastic polyurethane molding compositions'20026,365,674'Thermoplastic polyurethane resin'20026,355,762'Process for the continuous preparation of melt processable polyurethanes with improved softening behaviour'20026,166,135'Aliphatic sinterable thermoplastic polyurethane moulding compositions of reduced mechanical strength'20004,884,181'Method and arrangement for controlling a high voltage d-c transmission system'19894,727,467'Procedure and device to operate an HVDC transmission short coupling in the event of power system faults'19884,638,416'Method and apparatus for high-voltage D.C. transmission with a bypass circuit for malfunctions'19874,412,171'Circuit arrangement for damping power oscillations of synchronous generators in networks'19834,393,345'Circuit for damping hunting by electric machines'19834,357,570'Voltage compensation for an A-C network supplying a rapidly-changing load'19824,292,580'Circuit arrangement for attenuation of power oscillations in networks'19814,164,013'Six-pulse rectifier circuit'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1989Patents assigned to SIEMENS AG (8)· patent assignee history
1979–1989Based in Erlangen, DE· patent location history
2000–2005Patents assigned to BAYER AG (16)· patent assignee history
2000–2002Patents assigned to BENECKE KALIKO AG (3)· patent assignee history
2000–2019Based in Koln, DE· patent location history
2002–2004Based in Kln, DE· patent location history
2003Based in Cologne, DE· patent location history
2005–2017Based in Köln, DE· patent location history
2014Patents assigned to BAUER ERIKA (1)· patent assignee history
2016–2017Patents assigned to COVESTRO DEUTSCHLAND AG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 16 | 2000–2005 |
| SIEMENS AG | 8 | 1979–1989 |
| BENECKE KALIKO AG | 3 | 2000–2002 |
| COVESTRO DEUTSCHLAND AG | 3 | 2016–2017 |
| BAUER ERIKA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kln, DE | 11 | 2002–2004 |
| Erlangen, DE | 8 | 1979–1989 |
| Köln, DE | 6 | 2005–2017 |
| Koln, DE | 2 | 2000–2019 |
| Cologne, DE | 1 | 2003 |