Inventor
David A. Morris
Inventor
Granger, IN, US
Overview
Patents· 15 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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
A61BDiagnosis3%
A61FFilters implantable into blood vessels3%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%
B65CLabelling or tagging machines, apparatus, or processes3%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
C07DHeterocyclic compounds3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
PatentTitleYear
8,852,514'Electronic device for analyzing aqueous solutions'20148,852,509'Electronic device for analyzing aqueous solutions'20148,703,057'Electronic device for analyzing aqueous solutions'20148,142,722'Test element and tester for analyzing solutions'2012D0570718'Portable hand-held test instrument'20087,083,913'High through-put cloning of protooncogenes'20067,073,507'Sterile ocular cover and method'20065,452,849'Easy open tab sealer for packages'19955,162,069'Cassette applicator head system'19924,820,490'Device and method for chemical analysis of fluids with a reagent coated light source'19894,717,545'Device and method for chemical analysis of fluids with a reagent coated light source'19884,141,688'Composition, device and method for determining reducing agents'19794,043,180'Gathering line leak detection system tester'19774,022,055'Pulse-echo method and system for testing wall thicknesses'19773,995,179'Damping structure for ultrasonic piezoelectric transducer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to TEXACO INC (3)· patent assignee history
1976–1977Based in Richmond, VA, US· patent location history
1979–1989Based in Elkhart, IN, US· patent location history
1988–1989Patents assigned to MILES INC (2)· patent assignee history
1992–1995Based in Edina, MN, US· patent location history
2006Based in Davis, CA, US· patent location history
2008–2014Patents assigned to HACH CO (5)· patent assignee history
2008–2014Based in Granger, IN, US· patent location history
2012–2014Patents assigned to MORRIS DAVID ALEXANDER NATHANIEL (2)· patent assignee history
2012–2014Patents assigned to SWANSON TERESA LYNN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HACH CO | 5 | 2008–2014 |
| TEXACO INC | 3 | 1976–1977 |
| MILES INC | 2 | 1988–1989 |
| MORRIS DAVID ALEXANDER NATHANIELself | 2 | 2012–2014 |
| SWANSON TERESA LYNN | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Granger, IN, US | 5 | 2008–2014 |
| Elkhart, IN, US | 3 | 1979–1989 |
| Richmond, Virginia, US | 3 | 1976–1977 |
| Edina, Minnesota, US | 2 | 1992–1995 |
| Davis, California, US | 1 | 2006 |