Inventor
Eug Y. Kwack
Inventor
Walnut, CA, US
Overview
Patents· 6 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 properties40%
G01FMeasuring volume, volume flow, mass flow or liquid level20%
G10KSound-producing devices10%
H01JElectric discharge tubes or discharge lamps10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,211,052'Aeroacoustic gas composition monitor'19935,159,843'Acoustic device and method for measuring gas densities'19925,062,295'Dual tube sonic level gage'19915,002,894'Method for the determination of lignin content of a sample by flash pyrolysis in an atmosphere of hydrogen or helium and method therefor'19914,896,540'Aeroacoustic flowmeter'19904,876,889'Acoustic humidity sensor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to KWACK EUG Y (3)· patent assignee history
1989–1991Patents assigned to SHAKKOTTAI PARTHASARATHY (3)· patent assignee history
1989–1993Based in Walnut, CA, US· patent location history
1991–1993Patents assigned to SPARKTECH (2)· patent assignee history
1991Patents assigned to LAWSON DANIEL D (1)· patent assignee history
1992Patents assigned to NASA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KWACK EUG Yself | 3 | 1989–1991 |
| SHAKKOTTAI PARTHASARATHY | 3 | 1989–1991 |
| SPARKTECH | 2 | 1991–1993 |
| LAWSON DANIEL D | 1 | 1991 |
| NASA | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walnut, California, US | 6 | 1989–1993 |