Inventor
Donald E. Wortman
Inventor
Rockville, MD, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light19%
H01JElectric discharge tubes or discharge lamps14%
G01SRadio direction-finding10%
A61MDevices for introducing media into, or onto, the body5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
F15CFluid-circuit elements predominantly used for computing or control purposes5%
F41BWeapons for projecting missiles without use of explosive or combustible propellant charge5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G01QScanning-probe techniques or apparatus5%
PatentTitleYear
6,319,214'Valve-less fluid control circuit for rhythmic action devices'20016,178,813'Vibration distortion removal for scanning probe microscopes'20016,142,131'Electromagnetic launcher with pulse-shaping armature and divided rails'20006,094,986'Acoustic navigation aid for autonomous coal miner'2000H0000675'Method for chemical reaction control using a surface acoustic wave device'19894,829,527'Wideband electronic frequency tuning for orotrons'19894,670,637'Method and apparatus for transmitting a laser signal through fog'19874,590,596'Method and apparatus for modulating a diffraction radiation generator'19864,571,726'High performance orotron utilizing a dense electron beam'19864,545,056'Depressed collector/ribbon electron beam analyzer for a diffraction radiation generator'19854,286,230'Near millimeter wave generator with dielectric cavity'19814,211,487'Method and apparatus for determining aerosol size distributions'19804,197,483'Submillimeter wave generation using surface acoustic waves in piezoelectric materials'19804,193,044'Rare earth semiconductor laser'19804,004,212'Mine detector system'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2001Patents assigned to US ARMY (14)· patent assignee history
1977–2001Based in Rockville, MD, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US ARMY | 14 | 1977–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rockville, Maryland, US | 15 | 1977–2001 |