Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125984 | Induced junction chalcopyrite solar cell | Wolfgang Kruehler | 1992-06-30 |
| 4940568 | Arrangement for the continuous melting of granulated silicon for a band-drawing method | Gerhard Hoyler, Richard Falckenberg, Bernhard Freienstein | 1990-07-10 |
| 4913199 | Arrangement for the complete emptying of quartz tanks or crucibles filled with a silicon melt following silicon band drawing | Richard Falckenberg, Gerhard Hoyler, Bernhard Freienstein | 1990-04-03 |
| 4914044 | Method of making tandem solar cell module | Wolfgang Kruehler, Arthur Endroes | 1990-04-03 |
| 4871517 | Apparatus for parting wafer-shaped silicon bodies, useful for solar cells, from a silicon tape manufactured in a horizontal tape-drawing method | Richard Falckenberg, Gerhard Hoyler | 1989-10-03 |
| 4664745 | Method and apparatus for manufacturing tape-shaped silicon crystals with a threaded carrier | Richard Falckenberg | 1987-05-12 |
| 4657627 | Carbon fiber substrate pretreatment for manufacturing crack-free, large-surface silicon crystal bodies for solar cells | Lore Bernewitz, Richard Falckenberg, Gerhard Hoyler | 1987-04-14 |
| 4657603 | Method for the manufacture of gallium arsenide thin film solar cells | Wolfgang Kruehler | 1987-04-14 |
| 4642129 | Method for manufacturing preforms of glass for optical fibers | Nikolaos Douklias | 1987-02-10 |
| 4599244 | Method large-area silicon bodies | Richard Falckenberg, Christa Grabmaier | 1986-07-08 |
| 4599245 | Method for making large-surface silicon crystal bodies | Richard Falckenberg, Christa Grabmaier | 1986-07-08 |
| 4563976 | Device for manufacturing large-surface, tape-shaped silicon bodies for solar cells | Helmut Foell, Richard Falckenberg | 1986-01-14 |
| 4563979 | Apparatus for manufacturing large-surface, band-shaped silicon for solar cells | Richard Falckenberg | 1986-01-14 |
| 4557793 | Method and apparatus for drawing crystalline bodies from a melt | Helmut Foell, Juergen Schneider | 1985-12-10 |
| 4554203 | Method for manufacturing large surface silicon crystal bodies for solar cells, and bodies so produced | Richard Falckenberg | 1985-11-19 |
| 4537611 | Method for manufacturing glass from the gas phase | Nikolaos Douklias | 1985-08-27 |
| 4533428 | Method and device for asymmetrically coating a tape-shaped carrier body with silicon for further processing into solar cells | Richard Falckenberg, Helmut Foll | 1985-08-06 |
| 4505221 | Device for asymmetrically coating a tape-shaped carrier body with silicon for further processing into solar cells | Richard Falckenberg, Helmut Foell | 1985-03-19 |
| 4481235 | Apparatus and method for manufacturing tape-shaped silicon bodies for solar cells | Helmut Foell, Bernhard Freienstein, Karl Geim, Otmar Hintringer | 1984-11-06 |
| 4360546 | Electrical discharge lamp envelope | Hartmut Schneider | 1982-11-23 |
| 4345180 | Envelope for metal halide discharge lamp with protective layer containing B.sub.2 O.sub.3 | Hartmut Schneider | 1982-08-17 |
| 4341589 | Method for producing large surface plate or disc-shaped Si crystals with columnar structure | — | 1982-07-27 |
| 4319953 | Method for producing disc or band-shaped Si crystals with columnar structure for solar cells | — | 1982-03-16 |
| 4311726 | Method for the manufacture of a high-tensile strength optical waveguide | Heinz Hacker, Hubert Aulich, Nikolaos Douklias | 1982-01-19 |
| 4305776 | Method for producing disc or band-shaped SI crystals with columnar structure for solar cells | — | 1981-12-15 |