DH

David S. Hunt

HP HP: 21 patents #8,774 of 16,619Top 55%
The Procter & Gamble: 10 patents #1,289 of 10,133Top 15%
SS Stmicroelectronics Sa: 6 patents #1,424 of 4,662Top 35%
SN Stmicroelectronics International N.V.: 4 patents #122 of 696Top 20%
Overall (All Time): #98,072 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
11305534 Support substrates for microfluidic die Simon Dodd, Joseph E. Scheffelin, Dana Paul Gruenbacher, Stefan H. Hollinger, Uwe Schober +1 more 2022-04-19
11000862 Microfluidic delivery system Dana Paul Gruenbacher, Stephan Gary Bush, Teck Khim Neo, Joseph E. Scheffelin, Steven L. Webb +2 more 2021-05-11
10780192 Microfluidic delivery cartridges and methods of connecting cartridges with microfluidic delivery systems Dana Paul Gruenbacher, Simon Dodd, Joseph E. Scheffelin, Faiz Feisal Sherman 2020-09-22
10759169 Support substrates for microfluidic die Simon Dodd, Joseph E. Scheffelin, Dana Paul Gruenbacher, Stefan H. Hollinger, Uwe Schober +1 more 2020-09-01
10759168 Support substrates for microfluidic die Simon Dodd, Joseph E. Scheffelin, Dana Paul Gruenbacher, Stefan H. Hollinger, Uwe Schober +1 more 2020-09-01
10272684 Support substrates for microfluidic die Simon Dodd, Joseph E. Scheffelin, Dana Paul Gruenbacher, Stefan H. Hollinger, Uwe Schober +1 more 2019-04-30
10076585 Method of delivering a dose of a fluid composition from a microfluidic delivery cartridge Dana Paul Gruenbacher, Stephan Gary Bush, Teck Khim Neo, Joseph E. Scheffelin, Steven L. Webb +3 more 2018-09-18
10040090 Microfluidic delivery system for releasing fluid compositions Dana Paul Gruenbacher, Joseph E. Scheffelin, Timothy James Hoekstra, Simon Dodd, Roberto Brioschi 2018-08-07
9808812 Microfluidic delivery system Dana Paul Gruenbacher, Stephan Gary Bush, Teck Khim Neo, Joseph E. Scheffelin, Steven L. Webb +2 more 2017-11-07
9814098 Microfluidic delivery system for releasing fluid compositions Dana Paul Gruenbacher, Joseph E. Scheffelin, Simon Dodd 2017-11-07
9554459 Microfluidic delivery system for releasing fluid compositions Dana Paul Gruenbacher, Joseph E. Scheffelin, Simon Dodd 2017-01-24
9433696 Microfluidic delivery system for releasing fluid compositions Dana Paul Gruenbacher, Joseph E. Scheffelin, Timothy James Hoekstra, Simon Dodd, Roberto Brioschi 2016-09-06
9278150 Method of delivering a dose of a fluid composition from a microfluidic delivery cartridge Dana Paul Gruenbacher, Stephan Gary Bush, Teck Khim Neo, Joseph SCHEFFLIN, Steven L. Webb +3 more 2016-03-08
9211980 Microfluidic delivery system for releasing fluid compositions Dana Paul Gruenbacher, Joseph E. Scheffelin, Simon Dodd 2015-12-15
6736495 Replenishment system with an open-valve printhead fill port continuously connected to a liquid supply Paul S. Wu, Erich Coiner, Mark E. Young, Max S. Gunther 2004-05-18
6224192 Inkjet printing systems using a modular print cartridge assembly Andrew R. Robinson, Robert W. Beauchamp, Michael Klausbruckner, Mark A. Hay, Jayson L. Monroe 2001-05-01
6065826 Modular print cartridge receptacle for use in inkjet printing systems Andrew R. Robinson, Robert W. Beauchamp, Michael Klausbruckner, Mark A. Hay, Jayson L. Monroe 2000-05-23
6000791 Printer having a removable print cartridge with handle incorporating an ink inlet value Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Schultz 1999-12-14
5966156 Refilling technique for inkjet print cartridge having two ink inlet ports for initial filling and recharging Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Shultz +1 more 1999-10-12
5963238 Intermittent refilling of print cartridge installed in an inkjet printer Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Schultz +1 more 1999-10-05
5929883 Printing system with single on/off control valve for periodic ink replenishment of inkjet printhead Max S. Gunther, Ignacio Olazabal, Mark E. Young, Elizabeth Zapata, Joseph E. Scheffelin +1 more 1999-07-27
5903292 Ink refill techniques for an inkjet print cartridge which leave correct back pressure Joseph E. Scheffelin, Elizabeth Zapata, Winthrop D. Childers 1999-05-11
5874976 Inkjet cartridge fill port adapter Robert Joseph Katon, Max S. Gunther, Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata +2 more 1999-02-23
5852458 Inkjet print cartridge having a first inlet port for initial filling and a second inlet port for ink replenishment without removing the print cartridge from the printer Joseph E. Scheffelin, Mark E. Young, Elizabeth Zapata, Alfred Zepeda, Christopher J. Schultz +1 more 1998-12-22
5793387 Method and apparatus for ink-jet ink level detection 1998-08-11