Inventor
Theodore A. Dourdeville
Inventor
Marion, MA, US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties28%
Y10TTechnical subjects covered by former us classification12%
F16KValves8%
B01LChemical or physical laboratory apparatus for general use7%
F04BPositive-displacement machines for liquids6%
B01DSeparation6%
F16LPipes6%
G05DSystems for controlling or regulating non-electric variables4%
F17DPipe-line systems3%
G01RMeasuring electric variables3%
PatentTitleYear
10,031,113Liquid-chromatography apparatus having diffusion-bonded titanium components201810,001,463Dispensing needle for a fraction collector20189,952,186Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography20189,791,423'Dispensing needle for a fraction collector'20179,618,128'Method and apparatus for sample injection in liquid chromatography'20179,470,664'Chromatographic interface'20169,446,330'HPLC capillary column device'20169,409,252'Chromatography apparatus having diffusion-bonded and surface-modified components'20169,304,115'Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography'20169,024,635'Apparatus and method for coupled LC-NMR analysis'20158,951,374'Tube joint and a method of bonding tubes'20158,881,582'Method and apparatus for sample injection in liquid chromatography'20148,671,975'Compliant-seal check valve'20148,622,437'Fluidic terminal'20148,496,818'HPLC capillary column device'20138,297,589'Active valve and methods of operation thereof'20128,047,060'Method and apparatus for sample injection in liquid chromatography'20117,955,059'Fluid control device for a high pressure analytical instrument'20117,859,657'Methods of making and using an apparatus and devices for placing light and sample in photo-emitting or absorbing devices'20107,841,190'Freeze-thaw valve that self-limits cryogenic agent usage'20107,356,995'Peltier based freeze-thaw valves and methods of use'20087,128,081'Peltier based freeze-thaw valves and method of use'20066,610,201'High pressure capillary liquid chromatography solvent delivery system'20036,557,575'Fluid flow control freeze/thaw valve for narrow bore capillaries or microfluidic devices'20036,526,188'Flow cell, analyte measurement apparatus and methods related thereto'20036,404,193'Solvent susceptibility compensation for coupled LC-NMR'20026,367,847'Coupler for placing two or more fluid streams in communication'20026,299,767'High pressure capillary liquid chromatography solvent delivery system'20016,188,813'Flow cell, analyte measurement apparatus and methods related thereto'20016,099,724'Active pump phasing to enhance chromatographic reproducibility'20005,897,781'Active pump phasing to enhance chromatographic reproducibility'19995,637,208'Solvent pumping system for chromatography with switching-valve'19974,767,279'Fluid composition and volumetric delivery control'19884,534,659'Passive fluid mixing system'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Based in Southboro, MA, US· patent location history
1988Based in Southborough, MA, US· patent location history
1997–2018Based in Marion, MA, US· patent location history
1999–2008Patents assigned to WATERS INVESTMENTS LTD (11)· patent assignee history
2010–2018Patents assigned to WATERS TECHNOLOGIES CORP (20)· patent assignee history
2012–2015Patents assigned to DOURDEVILLE THEODORE (5)· patent assignee history
2014–2018Patents assigned to DOURDEVILLE THEODORE A (5)· patent assignee history
2016Patents assigned to BUNNER BERNARD (2)· patent assignee history
2016–2018Based in Providence, RI, US· patent location history
2018Based in Falmouth, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WATERS TECHNOLOGIES CORP | 20 | 2010–2018 |
| WATERS INVESTMENTS LTD | 11 | 1999–2008 |
| DOURDEVILLE THEODOREself | 5 | 2012–2015 |
| DOURDEVILLE THEODORE Aself | 5 | 2014–2018 |
| BUNNER BERNARD | 2 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marion, Massachusetts, US | 26 | 1997–2018 |
| Providence, RI, US | 5 | 2016–2018 |
| Falmouth, Massachusetts, US | 1 | 2018 |
| Southborough, Massachusetts, US | 1 | 1988 |
| Southboro, Massachusetts, US | 1 | 1985 |