Issued Patents All Time
Showing 176–200 of 213 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363498 | Cross country ski binding | Peter Biermann, Otto Ewald, Rudi Feucht | 1982-12-14 |
| 4358270 | Dental instrument retraction activator | — | 1982-11-09 |
| 4356378 | Apparatus for automatically guiding a welding gun along a programmed welding seam | Erwin Cloos, Helmut Kring, Gerhard Schnell, Joachim Thielmann | 1982-10-26 |
| 4350799 | Thermoplastic ternary molding composition of polyurethane polyphosphonates and polycarbonate resins | Hans G. Schmelzer, Robert P. Yeater | 1982-09-21 |
| 4350793 | Flame-retardant composition of polyphenylene ether, polystyrene resin and polyphosphonate | Klaus Reinking | 1982-09-21 |
| 4332921 | Polycarbonate/polyphosphonate thermoplastic composition | Joachim Wank, Eckart Reese | 1982-06-01 |
| 4331614 | Aromatic polyphosphonates and a process for their production | Ludwig Bottenbruch, Dieter Freitag, Klaus Reinking, Harry Rohr, Hans-Dieter Block | 1982-05-25 |
| 4329854 | Maintenance and protection devices for cooling plants | — | 1982-05-18 |
| 4328174 | Aromatic polyester phosphonates | Dieter Freitag, Ludwig Bottenbruch, Klaus Reinking, Harry Rohr, Harald Medem | 1982-05-04 |
| 4326820 | Final depository for radioactive wastes | Ernst-Peter Uerpmann, Gerhard Staupendahl | 1982-04-27 |
| 4322520 | Aromatic thermoplastic polyphosphonatocarbonate | Ludwig Bottenbruch, Dieter Freitag, Werner Nouvertne | 1982-03-30 |
| 4322373 | Process for the preparation of aromatic dicarboxylic acid dichlorides | Dieter Freitag | 1982-03-30 |
| 4322092 | Cross country ski binding | Rudi Feucht, Peter Biermann | 1982-03-30 |
| 4309044 | Cross-country ski binding | — | 1982-01-05 |
| 4308216 | Process for the preparation of aromatic dicarboxylic acid dichlorides | Dieter Freitag, Ludwig Bottenbruch | 1981-12-29 |
| 4307039 | Process for the preparation of aromatic dicarboxylic acid dichlorides | Dieter Freitag | 1981-12-22 |
| 4279742 | Method of and apparatus for the flotation of mineral raw materials | Rumen V. Ivanov, Dobrin V. Nikolov, Ulrich Bilsing, Heinz Weber | 1981-07-21 |
| 4274927 | Process for the electrolytic deposition of gold and gold alloy coatings and compositions therefore | Franz Simon, Wolfgang Zilske | 1981-06-23 |
| 4274536 | Shielded roller chain | Ernst Riegler | 1981-06-23 |
| 4274926 | Process for the electrolytic deposition of silver and silver alloy coatings and compositions therefore | Franz Simon | 1981-06-23 |
| 4268063 | Cross country ski binding | Peter Biermann, Rudi Feucht | 1981-05-19 |
| 4265136 | Torque support arrangement | Ernst Riegler | 1981-05-05 |
| 4260704 | Resins based on novolaks, their production and their use as tackifiers | Theo Kemperman, Dieter Freitag, Hermann Fries, Erich Esch | 1981-04-07 |
| 4259586 | Cassette for X-ray film | Heinrich Farber | 1981-03-31 |
| 4248172 | Film cassette | Heinz Krobel, Walter Bauer | 1981-02-03 |