GG

Geoff C. Gerhardt

WT Waters Technologies: 30 patents #11 of 422Top 3%
WL Waters Investments Limited: 8 patents #6 of 112Top 6%
Overall (All Time): #77,741 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 25 most recent of 40 patents

Patent #TitleCo-InventorsDate
12320787 Insulated serial column chromatography arrangements and systems Michael O. Fogwill, Martin Gilar, Joseph D. Michienzi, Wade P. Leveille, Jeffrey Musacchio +2 more 2025-06-03
12259369 Micro solid phase extraction devices and methods Martin Gilar, Thomas S. McDonald, Joseph D. Michienzi, Jeffrey Musacchio, Rachel Mumma +1 more 2025-03-25
12247962 Micro solid phase extraction devices and methods Martin Gilar, Thomas S. McDonald, Joseph D. Michienzi, Jeffrey Musacchio, Rachel Mumma +1 more 2025-03-11
12163934 Parallel insulated chromatography columns Michael O. Fogwill, Martin Gilar, Joseph D. Michienzi, Wade P. Leveille, Jeffrey Musacchio +2 more 2024-12-10
11733216 Matching thermally modulated variable restrictors to chromatography separation columns Michael O. Fogwill, Joseph D. Michienzi, James P. Murphy 2023-08-22
11169125 Mass spectrometer ion source with integrated column Michael O. Fogwill, Curt Devlin, Theodore A. Dourdeville, Jacob N. Fairchild, Wade P. Leveille +2 more 2021-11-09
11105778 Method and apparatus for injecting a chromatographic sample Martin Gilar, Richard W. Andrews, Peyton C. Beals, Thomas S. McDonald, Keith Fadgen +2 more 2021-08-31
11061003 Method and apparatus for injecting a chromatographic sample Martin Gilar, Keith Fadgen, Peyton C. Beals, Sylvain Cormier, Richard W. Andrews +2 more 2021-07-13
10866218 Managing fluidic connections to microfluidic devices Keith Fadgen, Joseph D. Michienzi, Bernard Bunner 2020-12-15
10852279 Method and apparatus for flame ionization detection for chromatography Michael O. Fogwill, Joseph D. Michienzi 2020-12-01
10071374 Apparatus and methods for creating a static and traversing thermal gradient on a microfluidic device Joseph D. Michienzi, James P. Murphy, Michael O. Fogwill, Keith Fadgen, Gary W. Bertone 2018-09-11
10024826 Analysis of dried blood spot samples in a microfluidic system with dilution of extracted samples James P. Murphy, Michael J. Tomany, Joseph D. Michienzi, Paul Rainville, Robert Plumb +1 more 2018-07-17
9952186 Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography Bernard Bunner, Theodore A. Dourdeville 2018-04-24
9829470 Systems and methods of compensation for chromatography column volume variations Martin Gilar, Bernard Bunner 2017-11-28
9768004 Systems, devices, and methods for connecting a chromatography system to a mass spectrometer Michael O. Fogwill, Joseph D. Michienzi, James P. Murphy 2017-09-19
9719971 Microfluidic flame ionization detector Michael O. Fogwill, Joseph D. Michienzi, James P. Murphy 2017-08-01
9496125 Interfacing with a digital microfluidic device Bernard Bunner, Joseph A. Jarrell 2016-11-15
9429548 Flow sensors and flow sensing methods with extended linear range 2016-08-30
9393504 Closed loop flow control of a HPLC constant flow pump to enable low-flow operation Joseph A. Luongo 2016-07-19
9396916 Electrokinetically controlled calibrant delivery Keith Fadgen 2016-07-19
9304115 Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography Bernard Bunner, Theodore A. Dourdeville 2016-04-05
9115815 Variable-volume injection valve Keith Fadgen 2015-08-25
8943887 Thermal-based flow sensing apparatuses and methods for high-performance liquid chromatography 2015-02-03
8679332 Flow sensing apparatus used to monitor/provide feedback system to a split flow pumping system Keith Fadgen 2014-03-25
8679333 Closed loop flow control of a HPLC constant flow pump to enable low-flow operation Joseph A. Luongo 2014-03-25