|
| US4227817 | 26 déc. 1978 | 14 oct. 1980 | | Fuel and water homogenization means |
| US4554586 | 13 avr. 1983 | 19 nov. 1985 | Tokyo Shibaura Denki Kabushiki Kaisha | Solid state image sensing device |
| US4581649 | 27 mars 1984 | 8 avr. 1986 | Citizen Watch Co., Ltd. | Image pickup system |
| US4602184 | 29 oct. 1984 | 22 juil. 1986 | Ford Motor Company | Apparatus for applying high frequency ultrasonic energy to cleaning and etching solutions |
| US4801837 | 8 déc. 1987 | 31 janv. 1989 | | Piezoelectric load measurement apparatus and circuits |
| US5025187 | 23 août 1990 | 18 juin 1991 | Aisin Seiki Kabushiki Kaisha | Actuator and control system for cleaning of mirror-like objects |
| US5136425 | 23 juin 1989 | 4 août 1992 | Aisin Seiki Kabushiki Kaisha | Self-cleaning plate-shaped device including a vibrator with oscillations parallel to the plane of the plate |
| US5457353 | 7 sept. 1994 | 10 oct. 1995 | Siemens Aktiengesellschaft | Frequency-selective ultrasonic sandwich transducer |
| US6041795 | 15 avr. 1998 | 28 mars 2000 | | Computer controlled, multi-bay ultrasonic golf club cleaning machine |
| US6323584 | 26 août 1996 | 27 nov. 2001 | Measurement Specialties Inc. | Interchangeable vessel having a level sensor therewith |
| US6433460 | 3 oct. 2000 | 13 août 2002 | | Apparatus and methods for cleaning and/or processing delicate parts |
| US6822372 | 24 juin 2002 | 23 nov. 2004 | | Apparatus, circuitry and methods for cleaning and/or processing with sound waves |
| US6914364 | 12 juin 2002 | 5 juil. 2005 | | Apparatus and methods for cleaning and/or processing delicate parts |
| US6946773 | 30 mars 2004 | 20 sept. 2005 | | Apparatus and methods for cleaning and/or processing delicate parts |
| USD322337 | 26 avr. 1989 | 10 déc. 1991 | | Ultrasonic degreasing machine |