Inventor
Duane K. Wolcott
Inventor
Baton Rouge, LA, US
Overview
Patents· 27 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 properties62%
Y10TTechnical subjects covered by former us classification17%
B01DSeparation7%
F04BPositive-displacement machines for liquids5%
B01LChemical or physical laboratory apparatus for general use2%
B29CShaping or joining of plastics2%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals2%
E21BEarth or rock drilling2%
PatentTitleYear
9,086,349'Sample digester with independently controllable sample temperature and ultraviolet irradiation'20158,365,616'Sampling probe for solutions containing soluble solids or high concentrations of dissolved solids'20138,029,730'Flow cell for chemiluminescence analysis'20117,767,467'Coaxial tubular sequestering device for micro spheres and cells'20107,625,762'Coaxial tubular sequestering device for micro spheres and cells'20097,416,896'Determination of plasma total and unbound bilirubin using zone fluidics'20087,188,731'Variable flexure-based fluid filter'20076,887,429'Apparatus and method for automated medical diagnostic tests'20056,613,579'Sequential injection liquid-liquid extraction'20036,550,348'In-line filter probe for process analysis'20036,499,362'In-line filter probe for process analysis'20026,079,313'Pulseless, reversible precision piston-array pump'20005,988,987'Method for merging and/or ratio blending aliquant'19995,486,330'Process for producing plastic tubing of a selected length, wall thickness and inner diameter'19965,469,917'Use of capillary-membrane sampling device to monitor oil-drilling muds'19955,442,968'Membrane-based fluid separations apparatus'19955,425,869'Polymeric film-based electrochemical sensor apparatus'19955,416,576'Serpentine coil spectrophotometer cell'19955,398,559'Sample probe with temperature monitoring and/or control'19955,346,605'Apparatus for quantitative determination of chemical oxidizing or reducing agents in a fluid environment'19945,317,932'Sample probe'19944,999,305'Apparatus for titration flow injection analysis'19914,981,567'Lithium-salt reference half-cell for potentiometric determinations'19914,798,803'Method for titration flow injection analysis'19894,724,050'Pretreatment of ion exchange membrane'19884,460,448'Calibration unit for gases'19844,333,810'Analyzer for chemical oxidizing or reducing agents'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1996Patents assigned to DOW CHEMICAL CO (12)· patent assignee history
1982–2000Based in Baton Rouge, LA, US· patent location history
1991–2015Patents assigned to WOLCOTT DUANE K (3)· patent assignee history
1999–2000Patents assigned to FIA SOLUTIONS INC (2)· patent assignee history
2002–2011Patents assigned to GLOBAL FIA INC (7)· patent assignee history
2002–2015Based in Fox Island, WA, US· patent location history
2013–2015Patents assigned to MARSHALL GRAHAM D (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 12 | 1982–1996 |
| GLOBAL FIA INC | 7 | 2002–2011 |
| WOLCOTT DUANE Kself | 3 | 1991–2015 |
| FIA SOLUTIONS INC | 2 | 1999–2000 |
| MARSHALL GRAHAM D | 2 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baton Rouge, LA, US | 16 | 1982–2000 |
| Fox Island, Washington, US | 11 | 2002–2015 |