Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632570 | Fibrous-structure electrode framework web strip, electrode plates produced therefrom and process for producing a fibrous-structure electrode framework web strip | Otwin Imhof, Karl-Ernst Noreikat | 2003-10-14 |
| 6558839 | Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulators | Otwin Imhof, Dieter Henke, Wilhelm Kitzhofer, Uwe Schaffrath | 2003-05-06 |
| 6428674 | Process for the removal of galvanic electrolytic residues from electrode frames or electrode frame webs with fiber structure | Otwin Imhof, Karl-Ernst Noreikat | 2002-08-06 |
| 6214491 | Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulators | Otwin Imhof, Dieter Henke, Wilhelm Kitzhofer, Uwe Schaffrath | 2001-04-10 |
| 6013320 | Continuous process for metallizing porous synthetic substrates employing a wet-chemical method | Otwin Imhof, Uwe Schaffrath | 2000-01-11 |
| 5789097 | Gas-tight maintenance-free cell or battery | Otwin Imhof | 1998-08-04 |
| 5595787 | Chemical metallization of electrically non-conducting porous substrates | Otwin Imhof | 1997-01-21 |
| 5591053 | Current tapping vane and method for producing same | Otwin Imhof, Wilhelm Kitzhoefer | 1997-01-07 |
| 5482738 | Wet-chemical metallization process | Otwin Imhof | 1996-01-09 |
| 5424149 | Electrochemical storage device and method for producing same | Otwin Imhof, Wilhelm Kitzhofer | 1995-06-13 |
| 5397659 | Electrochemical storage device | Otwin Imhof | 1995-03-14 |
| 5238028 | Method of simultaneously sizing and filling fibrous-structure electrode matrices for rechargeable batteries with an active compound paste | Otwin Imhof | 1993-08-24 |
| 5182241 | Treating accumulated waste water from plastic substrates activated with Pd/Sn solutions | Otwin Imhof | 1993-01-26 |
| 5163974 | Process for manufacturing fiber structure plates for positive and negative electrodes | Otwin Imhof, Claus Schneider, Friedrich Haschka | 1992-11-17 |
| 5156899 | Fiber structure electrode plaque for increased-capacity voltage accumulators | Otwin Imhof | 1992-10-20 |
| 5094774 | High-flowability aqueous nickel hydroxide or hydrated nickel oxide paste for vibration filling electrode frameworks | Otwin Imhof, Claus Schneider | 1992-03-10 |
| 5089301 | Solution for the activating of electrically nonconductive substrate surfaces and method of preparing the said solution | Otwin Imhof | 1992-02-18 |
| 5085956 | Fiber-structure electrode support with welded-on current discharge lug and production method therefor | Otwin Imhof | 1992-02-04 |
| 5076199 | Apparatus for the chemical metallization of open-pored foams, nonwovens, needle felts of plastic or textile material | — | 1991-12-31 |
| 5034066 | Method for washing and rinsing chemically metallized substrate sheets | Otwin Imhof | 1991-07-23 |
| 5000833 | Apparatus for the electrochemical surface treatment of substrates | Otwin Imhof, Claus Schneider | 1991-03-19 |
| 4925706 | Process for the chemical metallizing of textile material | Claus von Benda | 1990-05-15 |
| 4835015 | Process for electroless metallization of sheetlike textile substrates | Gabor Benczur-Urmossy, Friedrich Haschka | 1989-05-30 |
| 4237196 | Sodium ion-conducting glass electrolyte for sodium-sulfur batteries | Gunter Gutmann, Friedrich G. K. Baucke, Gerd M/ller | 1980-12-02 |
| 4230778 | Sodium-sulfur battery with glass electrolyte | Klaus von Benda | 1980-10-28 |