Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056040 | Electric balance with digital display | Franz-Josef Melcher, Christoph Berg | 1991-10-08 |
| 4932487 | Electronic balance with calibrating weight circuit | Franz-Josef Melcher, Dieter Berthel, Gunther Maaz | 1990-06-12 |
| 4907179 | Electronic balance with quasi analog and digital display | Franz-Josef Melcher, Christoph Berg | 1990-03-06 |
| 4898253 | Electronic balance for dosing | Franz-Josef Melcher, Christoph Berg | 1990-02-06 |
| 4890246 | Electronic balance with calibrating system | Christoph Berg, Franz-Josef Melcher | 1989-12-26 |
| 4889201 | Drying balance with evaluation circuit for determining the end of the drying | Gunther Maaz, Klaus Nottbohm, Volker Handwerk | 1989-12-26 |
| 4848477 | Electronic balance with electronic corner-load correction | Franz-Josef Melcher, Christoph Berg | 1989-07-18 |
| 4758069 | Method and apparatus for actuating a liquid crystal display with recognition of functional errors | Erich Knothe, Franz-Josef Melcher | 1988-07-19 |
| 4688898 | LCD display board for an electronic balance | Franz-Josef Melcher, Erich Knothe | 1987-08-25 |
| 4685525 | Balance with counting scale | Erich Knothe, Franz-Josef Melcher | 1987-08-11 |
| 4650014 | Electronic balance with digital and analog display | Franz-Josef Melcher, Erich Knothe | 1987-03-17 |
| 4645021 | Electronic balance with dual purpose 10-key keyboard | Erich Knothe, Franz-Josef Melcher | 1987-02-24 |
| 4629016 | Method of initializing a balance with counting scale and balance with counting scale for carrying out the method | Erich Knothe, Franz-Josef Melcher | 1986-12-16 |
| 4597458 | Electric balance with adjustable relative precision | Erich Knothe, Franz-Josef Melcher | 1986-07-01 |
| 4487280 | High-resolution electronic balance | Erich Knothe, Franz-Josef Melcher, J/u/ rgen Ober | 1984-12-11 |
| 4472660 | Circuit for fluorescent signaling device | Erich Knothe, Franz-Josef Melcher | 1984-09-18 |
| 4349076 | Change-over switch with de-chattering device for electronic weighing scales | Franz-Josef Melcher | 1982-09-14 |