1
Heini Ernst, Albert Guenin: Automatic regulation of respirators. Hoffmann La Roche, Samuel L Welt, George M Gould, Mark L Hopkins, June 8, 1976: US03961627 (170 worldwide citation)

Regulation of the flow and pressure of the respiration gas in a respirator coupled to a patient is disclosed in regard to a respirator arrangement having a flow and pressure measuring device arranged proximate the patient connection for determining the flow and pressure of the respiration gas and co ...


2
Heini Ernst, Albert Guenin: Respirator. Hoffmann La Roche, Samuel L Welt, Bernard S Leon, Mark L Hopkins, August 3, 1976: US03972327 (83 worldwide citation)

A respirator used to replace or assist the respiratory function and automatically regulate the respiration gas flow and pressure during the inspiration phase and expiration phase comprising means for measuring the flow and pressure of respiration gas and providing electrical output signals, valve me ...


3
William Charles Grimmell, Gilbert Carl Kaetzel, John Milton Moran, George Michael Zanko: Apparatus for color recognition and defect detection of objects such as capsules. Hoffmann La Roche, Samuel L Welt, George M Gould, Mark L Hopkins, April 4, 1978: US04082188 (56 worldwide citation)

Method and apparatus for high-speed automatic inspection and processing of large numbers of solid discrete particular objects such as multicolored capsule dose forms in regard to color and/or defect detection, in which virtually all unacceptable material is isolated and an accurate running and total ...


4
Thomas B Harsch: Surface alignment method for liquid crystal cells and production of polarizers therefor. Hoffmann La Roche, Samuel L Welt, Bernard S Leon, Mark L Hopkins, March 2, 1976: US03941901 (50 worldwide citation)

Method for producing homogeneous surface alignment of liquid crystal materials by applying to the surfaces of transparent plates bounding a liquid crystal film a polymer which is subjected to a shear thinning technique to cause elongation and alignment of long chain polymers. In certain embodiments ...


5
Ulrich Anton Frank: Blood pressure monitor leveling device. Hoffmann La Roche, Samuel L Welt, Bernard S Leon, Mark L Hopkins, December 14, 1976: US03996927 (39 worldwide citation)

An elevation and leveling adjustment arrangement for accurately locating pressure-to-current transducers, used in monitoring blood pressure during and post surgery, at an appropriate reference point relative to the patient. The pressure-to-current transducers are mounted to a platform or base which ...


6
Domenico Bernoco, Andre Mottu, Lothar Waltz: Apparatus and analysis for agglutination reaction. Hoffmann La Roche, Jon S Saxe, Bernard S Leon, Mark L Hopkins, April 10, 1979: US04148607 (37 worldwide citation)

Analysis of and apparatus for studying simple or complex agglutination reactions, such as for blood analysis and in particular blood groupings in which the specimen is mixed with at least one reagent in a vessel of predetermined shape and this mixture is incubated and thereafter centrifuged in this ...


7
Christoph B Burckhardt, Pierre Andre Grandchamp, Heinz Hoffmann, Rainer Fehr: Method and apparatus for producing cross-sectional images using ultrasound. Hoffmann La Roche, Jon S Saxe, Bernard S Leon, Mark L Hopkins, January 6, 1981: US04242912 (37 worldwide citation)

A method for producing cross-sectional images using an ultrasonic imaging unit operating on the pulse-echo principle, which unit includes a transducer system having a stationary elongated array of adjacent transducer elements with transverse electrode segments adjacent one another on one side of the ...


8
William C Grimmell, Jim M Adams, Gilbert C Kaetzel, Robert P Fazzini, Edward F DeZabala: Method and apparatus for color recognition and defect detection of objects such as capsules. Hoffmann La Roche, Jon S Saxe, Bernard S Leon, Mark L Hopkins, March 13, 1979: US04143770 (37 worldwide citation)

Method and apparatus for high-speed automatic inspection and processing of large numbers of solid discrete particular objects such as multicolored capsule dose forms in regard to color and/or defect detection, in which virtually all unacceptable material is isolated and an accurate running and total ...


9
Christoph Benedikt Burckhardt, Pierre Andre Grandchamp, Heinz Hoffmann: Method of and apparatus for focusing ultrasonic waves in a focal line. Hoffmann La Roche, Samuel L Welt, Bernard S Leon, Mark L Hopkins, August 10, 1976: US03974475 (28 worldwide citation)

An apparatus for focusing ultrasonic waves in a focal line by an ultrasonic optical system having at least one rotation-symmetrical, non-spherical acoustical reflection surface which together with an ultrasonic transducer element transmits an at least partially convergent ultrasonic field having an ...


10
Joseph James Williams: Force measurement and analysis particularly relating to rotary tablet presses. Hoffmann La Roche, Samuel L Welt, George M Gould, Mark L Hopkins, June 21, 1977: US04030868 (24 worldwide citation)

There is disclosed instrumentation for use in connection with one or more tablet presses of various types, and in particular rotary tablet presses, for virtually any reasonable combination and number of such tablet presses. Tablet formation information, in particular compression and ejection force i ...