Inventor
Jeffrey A. Prsha
Inventor
San Diego, CA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics20%
LOC1017%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables10%
B08BCleaning in general5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01DMeasuring not specially adapted for a specific variable5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G01SRadio direction-finding5%
G06FElectric digital data processing5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
D0928644Detection device for a fluid conduit or fluid dispensing device2021D0922228Sensor unit2021D0904213Hydrant sensor device2020D0901316Pipe sensor unit2020D0900656Flow detection device2020D0878944Pipe sensor unit2020D0874954Location sensor and flow rate meter202010,527,402Pipe inspection cable counter and overlay management system20208,970,211'Pipe inspection cable counter and overlay management system'20158,717,028'Spring clips for use with locating transmitters'20148,564,295'Method for simultaneously determining a plurality of different locations of the buried objects and simultaneously indicating the different locations to a user'20138,413,347'Drain cleaning apparatus with electronic cable monitoring system'20138,176,593'Drain cleaning apparatus with electronic cable monitoring system'20127,863,885'Sondes for locating underground pipes and conduits'20117,619,516'Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith'20097,298,126'Sondes for locating underground pipes and conduits'20077,288,929'Inductive clamp for applying signal to buried utilities'20077,276,910'Compact self-tuned electrical resonator for buried object locator applications'20077,221,136'Sondes for locating underground pipes and conduits'20077,044,623'Thru-hull light'20066,958,767'Video pipe inspection system employing non-rotating cable storage drum'20056,908,310'Slip ring assembly with integral position encoder'20056,697,102'Bore hole camera with improved forward and side view illumination'20044,880,966'Tachometer sensor using a lens system to a in sensing the rotational speed of an object'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2021Based in San Diego, CA, US· patent location history
2007–2011Patents assigned to SEEKTECH INC (6)· patent assignee history
2012–2015Patents assigned to MEREWETHER RAY (5)· patent assignee history
2012–2015Patents assigned to OLSSON MARK S (5)· patent assignee history
2012–2015Patents assigned to PRSHA JEFFREY A (5)· patent assignee history
2020–2021Patents assigned to ORBIS INTELLIGENT SYSTEMS INC (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ORBIS INTELLIGENT SYSTEMS INC | 7 | 2020–2021 |
| SEEKTECH INC | 6 | 2007–2011 |
| MEREWETHER RAY | 5 | 2012–2015 |
| OLSSON MARK S | 5 | 2012–2015 |
| PRSHA JEFFREY Aself | 5 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 24 | 1989–2021 |