Franz Wittmann
14Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Mar 21, 1979 → Apr 11, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6537496B1 | Functional overlay for flexible objects in particular for diagnostic test strips | Physics | 9 | Expired |
| US7454162B2 | Multifunction device for post-processing of a printing substrate web printed by an electrographic printing device | Physics | 9 | Expired |
| US4573226A | Insert for a piece of lounging furniture | Human Necessities | 7 | Expired |
| US6072978A | Device for applying release agent to the surface of a fixing roller of an electrographic printer or copier | Physics | 7 | Expired |
| US6298216A | Image transfer device incorporating a fuser roller having a thick wearable silicone rubber surface | Physics | 5 | Expired |
| US4226470A | Convertible couch or chair | Human Necessities | 4 | Expired |
| US7248828B2 | Device for regulation of the sliding properties of a print substrate in an electrophotographic printer or copier | Physics | 3 | Expired |
| US6613570B2 | Control liquid containing an adsorbent | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4711564A | Mechanism for the drive of actuation elements movable in sealed regions of non-mechanical printer or copier means | Physics | 2 | Expired |
| US7629175B2 | Test element with a one layer reaction film | Emerging Cross-Sectional Technologies | 2 | Active |
| US7479253B2 | Method of assembling a diagnostic test strip having a functional overlay | Physics | 1 | Expired |
| US6067247A | SRAM memory cell | Physics | 1 | Expired |
| US7376383B2 | Device for regulation of the sliding properties of a print substrate in an electrophotographic printer or copier | Physics | 1 | Active |
| US7421242B2 | Device for post-processing of a print substrate web printed by an electrographic printing or copying device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.