LH

Ludwig Hartmann

IA Ici Americas: 9 patents #16 of 250Top 7%
FF Firma Carl Freudenberg: 7 patents #37 of 512Top 8%
CK Carl Freudenberg Kg: 3 patents #82 of 679Top 15%
PK Parat Automotive Schonenbach Gmbh + Co., Kg: 2 patents #4 of 14Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #140,198 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
6341810 Covering arrangement such as a soft top for a motor vehicle Rudolf Kastner 2002-01-29
6260904 Covering arrangement such as a soft top for a motor vehicle Rudolf Kastner 2001-07-17
6170901 Covering arrangement such as a soft top for a motor vehicle Rudolf Kastner 2001-01-09
6107799 Noise reduction arrangement for a magnetic resonance tomography apparatus Michael Sellers, Johann Schuster, Thomas Carlberger, Franz Boemmel, Heinz Hentzelt 2000-08-22
6082807 Covering arrangement such as a soft top for a motor vehicle Rudolf Kastner 2000-07-04
5108276 Apparatus for the production of spunbonded fabrics 1992-04-28
5053516 Synthesis of 2-substituted-5-methylpyridines from methylcyclobutanecarbonitrile, valeronitrile and pentenonitrile intermediates John F. Stephen 1991-10-01
4997611 Process for the production of nonwoven webs including a drawing step and a separate blowing step 1991-03-05
4965394 Difunctional polyfluoroaromatic derivatives and a process of preparing the same John F. Stephen 1990-10-23
4902559 Absorbent body of nonwoven material and a method for the production thereof Helmut Eschwey, Lothar Hackler, Michael Kauschke, Bernhard Klein, Thomas Kümpel +3 more 1990-02-20
4866185 Difunctional polyfluoroaromatic derivatives and a process of preparing the same John F. Stephen 1989-09-12
4842915 Tufting base for carpets made of a spunbonded fabric, a method of manufacturing the base, and a tufting carpet Engelbert Loecher, Ivo Ruzek, Norbert Weber 1989-06-27
4783547 Polyfluoroaromatic nitriles John F. Stephen 1988-11-08
4753698 Method for the production of spun bonded nonwoven fabrics having a uniform structure Gerhard Muller 1988-06-28
4714651 Elastic roofing and sealing materials Ivo Ruzek 1987-12-22
4687854 Bispiperidone precursor of 2-substituted-5-methyl-pyridines John F. Stephen 1987-08-18
4658031 Synthesis of 2-substituted-5-methyl-pyridines and intermediates therefor John F. Stephen 1987-04-14
4584380 Synthesis of 2-substituted-5-methyl-pyridines and intermediates therefor John F. Stephen 1986-04-22
4578134 Process for the production of spunbonded fabrics from aerodynamically drawn filaments 1986-03-25
4496508 Method for manufacturing polypropylene spun-bonded fabrics with low draping coefficient Ivo Ruzek, Engelbert Locher 1985-01-29
4473696 Synthesis of 2-substituted-5-methyl-pyridines John F. Stephen 1984-09-25
4414262 Shaped body of a settable mineral material with reinforcement fibers embedded therein Otto Ambros 1983-11-08
4413032 Non-woven fabric with wick action Ivo Ruzek 1983-11-01
4363845 Spun non-woven fabrics with high dimensional stability, and processes for their production 1982-12-14
4305986 Tufted carpeting Ivo Ruzek 1981-12-15