1
David G Wuchinich, Robert Brendolan, Louis Katz, Donald R Krawitt: Endoscopic ultrasonic aspirators. Sonomed Technology, Pennie & Edmonds, June 14, 1988: US04750902 (415 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


2
David G Wuchinich, Donald R Krawitt, Robert Brendolan, Louis Katz: Method for removing cellular material with endoscopic ultrasonic aspirator. Valleylab, Pennie & Edmonds, May 8, 1990: US04922902 (274 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


3
David G Wuchinich, Donald R Krawitt, Robert Brendolan, Louis Katz: Vibration apparatus preferably for endoscopic ultrasonic aspirator. Sonomed Technology, Pennie & Edmonds, June 14, 1988: US04750488 (169 worldwide citation)

A method and apparatus for endoscopic removal of compliant biological tissues utilizing an endoscopic ultrasonic aspirator comprising irrigation and aspiration means, a piezoelectric ultrasonic transducer, a first resonator such as a half-wave stepped velocity transformer, a probe including a second ...


4
Douglas F Barofsky, Per HÃ¥kansson, Daniel Louis Katz, C K Gamini Piyadasa: Tandem time-of-flight mass spectrometer. The State of Oregon acting by and through the State Board of Higher Education on Behalf of Oregon State University, Klarquist Sparkman, December 3, 2002: US06489610 (52 worldwide citation)

A tandem time-of-flight mass spectrometer includes an ion source, a velocity selector downstream of the ion source, a dissociation cell downstream of the velocity selector, and an ion accelerator downstream of the dissociation cell, the accelerator being capable of focusing ions at a space focal pla ...


5
William Henriksen, Louis Katz, David G Wuchinich: Hand held spring-loaded ultrasonic probe. Sonomed, Pennie & Edmonds, June 5, 1990: US04930512 (32 worldwide citation)

An apparatus is disclosed for uniformly biasing a transducer against a human eye comprising an outer housing, an inner housing insertable into the outer housing and a biasing means. The inner housing has attached thereto a transducer and is movable with respect to the outer housing between an extend ...


6
Louis Katz, Werner Gruenebaum: Biometric measuring device. Sonometrics Systems, McAulay Fields Fisher & Goldstein, May 15, 1979: US04154114 (32 worldwide citation)

A biometric measuring device measures distances between selected elements in a human body, and in particular, the human eye. Trace means produces respective signals for a preselected number of cycles wherein each signal represents the distance between the selected elements that is to be measured. Co ...


7
Raymond W Honey, Louis Katz: Flow rate computer. Electrac, Harold C Horwitz, June 22, 1976: US03965341 (26 worldwide citation)

A method of correcting the non-linearity of flow meters to extend their usable range, including alternate means to manually enter fluid viscosity by front panel switches or by an analog to digital converter from a temperature probe. The flow rate computer computes frR, divides it by fr/Mfi to yield ...


8
David G Wuchinich, William Henriksen, Robert Brendolan, Louis Katz: Scanning apparatus and method. Sonomed Technology, Pennie & Edmonds, November 29, 1988: US04787247 (15 worldwide citation)

A scanning apparatus and method for scanning an object including a frame, a transducer for obtaining information from an object and a motor oscillating the transducer. The motor comprises a spring/solenoid combination driven at the resonant frequency of the spring/motor system. The actual displaceme ...


9
Louis Katz, Kurt W Weil: Transducer assembly. Sonometrics Systems, McAulay Fields Fisher & Goldstein, July 22, 1980: US04213464 (14 worldwide citation)

A transducer assembly is provided for moving a transducer into operative contact with a human eye. The assembly comprises a transducer holder that receives a transducer therein. A slide supports the transducer holder for rearward movement from a home position. A spring normally biases the transducer ...


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