Gerhard Weiss
43Patents
13h-index
54Co-inventors
84Inventor score
Filing activity: May 29, 1975 → Apr 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4882484A | Method of mass analyzing a sample by use of a quistor | Electricity | 65 | Expired |
| US5168454A | Formation of high quality patterns for substrates and apparatus therefor | Electricity | 51 | Expired |
| US4821614A | Programmable magnetic repulsion punching apparatus | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6107624A | Ion mobility spectrometer with switchable electrodes | Physics | 39 | Expired |
| US6903332B2 | Pulsers for time-of-flight mass spectrometers with orthogonal ion injection | Electricity | 36 | Expired |
| US4975577A | Method and instrument for mass analyzing samples with a quistor | Electricity | 31 | Expired |
| US5294797A | Method and apparatus for generating ions from thermally unstable, non-volatile, large molecules, particularly for a mass spectrometer such as a time-of-flight mass spectrometer | Electricity | 25 | Expired |
| US6693276B2 | Travelling field for packaging ion beams | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7276688B2 | Ion-optical phase volume compression | Electricity | 21 | Expired |
| US5028777A | Method for mass-spectroscopic examination of a gas mixture and mass spectrometer intended for carrying out this method | Electricity | 19 | Expired |
| US6831275B2 | Nonlinear resonance ejection from linear ion traps | Electricity | 18 | Expired |
| US5746168A | Cylinder head cover of an internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6100521A | Ion mobility spectrometer in a centripetal arrangement | Physics | 13 | Expired |
| US4132076A | Feedback control method for controlling the starting of a steam turbine plant | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5386113A | Method and device for in-phase measuring of ions from ion trap mass spectrometers | Electricity | 11 | Expired |
| US6141952A | Method of operating a combined-cycle power plant | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7223966B2 | Time-of-flight mass spectrometers with orthogonal ion injection | Electricity | 10 | Expired |
| US5017120A | Tie-rod assembly for an injection molding press | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6828553B2 | Compact very high resolution time-of flight mass spectrometer | Electricity | 9 | Expired |
| US4213557A | Method for producing a mass filter analyzer system and analyzer system produced according to the method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7151255B2 | Travelling field for packaging ion beams | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4220545A | Ionization chamber for chemical ionization | Electricity | 8 | Expired |
| US6133568A | Ion trap mass spectrometer of high mass-constancy | Electricity | 7 | Expired |
| US6270864A | Artificial Christmas tree with stand | Human Necessities | 7 | Expired |
| US5745238A | Apparatus and method for non-destructive inspection and/or measurement | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.