RB

Robert D. Butterfield

C3 Carefusion 303: 54 patents #2 of 459Top 1%
IV Ivac: 12 patents #1 of 96Top 2%
AS Alaris Medical Systems: 12 patents #1 of 70Top 2%
C3 Cardinal Health 303: 5 patents #4 of 37Top 15%
RU Rutgers University: 3 patents #9 of 194Top 5%
IS Ivac Medical Systems: 3 patents #1 of 19Top 6%
BI Bourgault Industries: 2 patents #11 of 55Top 20%
GI General Instrument: 1 patents #417 of 950Top 45%
📍 San Diego, CA: #280 of 23,606 inventorsTop 2%
🗺 California: #2,419 of 386,348 inventorsTop 1%
Overall (All Time): #15,737 of 4,157,543Top 1%
96
Patents All Time

Issued Patents All Time

Showing 76–96 of 96 patents

Patent #TitleCo-InventorsDate
5716194 System for increasing flow uniformity Gregory I. Voss 1998-02-10
5617867 Tonometer mounting device Charles R. Holdaway, Stephen A. Martin, Stanley Boyer, Christine A. Giurdanella-Renzi 1997-04-08
5609576 Fluid flow impedance monitoring system Gregory I. Voss, Gail D. Baura, Casper W. Barnes 1997-03-11
5605156 Flexible diaphragm tonometer Gary M. Drzewiecki 1997-02-25
5603613 Fluid delivery system having an air bubble ejector Gus G. Tseo 1997-02-18
5563347 Pressure sensing vessel adapted to be preloaded against a sensor Stephen A. Martin, Charles E. Clemens 1996-10-08
5439001 Flexible diaphragm tonometer Gary M. Drzewiecki 1995-08-08
5423743 Cannula position detection 1995-06-13
5363855 Pressure waveform monitor Gary M. Drzewiecki, Edward J. Ciaccio 1994-11-15
5284150 Tonometry system for determining blood pressure Kenneth J. Pytel, Charles R. Holdaway, Stephen A. Martin 1994-02-08
5273046 Method of determining optimum artery applanation Stephen A. Martin 1993-12-28
5271405 Wrist mount apparatus for use in blood pressure tonometry Stanley Boyer, Stephen A. Martin, Christine A. Giurdanella-Renzi, Charles R. Holdaway 1993-12-21
5263484 Method of determining which portion of a stress sensor is best positioned for use in determining intra-arterial blood pressure Stephen A. Martin 1993-11-23
5261412 Method of continuously monitoring blood pressure Stephen A. Martin 1993-11-16
5240007 Apparatus and method for moving a tissue stress sensor for applanating an artery Kenneth J. Pytel, Stephen A. Martin, William Ewing 1993-08-31
5195522 Tonometry sensor calibration apparatus Kenneth J. Pytel, Stephen A. Martin 1993-03-23
5158091 Tonometry system for determining blood pressure Kenneth J. Pytel, Charles R. Holdaway, Stephen A. Martin 1992-10-27
5154680 Pressure waveform monitor Gary M. Drzewiecki, Edward J. Ciaccio 1992-10-13
5096385 Method and system for upstream occlusion detection Heinz W. Georgi, Oliver Jacob Smith, IV 1992-03-17
4743228 Fluid flow monitoring method and system 1988-05-10
4710163 Detection of fluid flow faults in the parenteral administration of fluids 1987-12-01