Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628677 | Apparatus for machining glass | — | 1997-05-13 |
| 5616071 | Bevel grinder | — | 1997-04-01 |
| 5207030 | Device for holding small glass pieces for grinding | — | 1993-05-04 |
| 5080845 | Method of removing impurities from polymeric synthetic plastics materials and an apparatus for carrying out the method | Dieter Rath | 1992-01-14 |
| 5040325 | Rotating fishing rig | — | 1991-08-20 |
| 5017457 | Presensitized printing plate for waterless lithographic printing and process for production thereof | Susanne Billino | 1991-05-21 |
| 4991471 | Three-point-contacting pliers for breaking glass | — | 1991-02-12 |
| 4973239 | Apparatus for the extraction of melt samples from a material which is liquid at an elevated temperature, but solid at ambient temperature | Albert Grimminger | 1990-11-27 |
| 4963650 | Process for separating low molecular weight compounds from polycaproamide melt with superheated steam | Elvina Z. Bokareva, Jelena V. Schinkorenko, Viktor V. Terenko, Larisa A. Nosova, Garri I. Faidel +8 more | 1990-10-16 |
| 4934201 | Method and apparatus for supplying samples from a melt to a rheometer | Albert Grimminger, Franz-Josef Müller, Hans-Jurgen Nettelnbreker, Bernhard Stöhrer | 1990-06-19 |
| 4917990 | Photosensitive printing plate for use in flexographic printing | — | 1990-04-17 |
| 4906551 | Process for the post-treatment of developed relief printing forms for use in flexographic printing | — | 1990-03-06 |
| 4842988 | Presensitized waterless planographic printing plate with amorphous silicic acid interlayer and process of making and using | Hans-Joachim Schlosser | 1989-06-27 |
| 4842990 | Presensitized negative working waterless planographic printing plate with amorphous silicic acid interlayer and process of making and using | Hans-Joachim Schlosser, Susanne Billino | 1989-06-27 |
| 4760129 | Process for preparing highly viscous polyhexamethyleneadipamide | Erwin Haering, Wolfgang Klein, Herbert Ocker, Hans Werner, Elvina. S. Bokarjowa +4 more | 1988-07-26 |
| 4599882 | Device for bending the margins of a metal foil over the edge of a flat glass article | — | 1986-07-15 |
| 4600466 | Hand roller for the application of metal foils to the edges of flat glass articles | — | 1986-07-15 |
| 4594305 | Liquid developer and charge control substance suitable therefor | Hansjoerg Vollmann | 1986-06-10 |
| 4526852 | Liquid developer for developing electrostatic charge images and process for its preparation | Hans-Joachim Schlosser | 1985-07-02 |
| 4497886 | Electrophotographic liquid developer for the reversal development _of negatively-charged images | Hans-Joachim Schlosser | 1985-02-05 |
| 4473629 | Electrophotographic liquid developer and process for its preparation | Hans-Joachim Schlosser | 1984-09-25 |
| 4301225 | Alcohol soluble, organic photoconductor containing polymeric protective layer on electrophotographic material | Detlef Winkelmann | 1981-11-17 |
| 4252882 | Developing electrophotographic images using aqueous ink and treating smooth, hydrophobic image surface with cleaning liquid | — | 1981-02-24 |
| 4243736 | Liquid developer and copolymer polarity control agent for use therewith | — | 1981-01-06 |
| 4192692 | Process for removing layers of selenium | — | 1980-03-11 |