Inventor
Robert E. Hrncir
Inventor
Irving, TX, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Fprimary
G01FMeasuring volume, volume flow, mass flow or liquid level29%
F17CVessels for containing or storing compressed, liquefied or solidified gases17%
LOC1013%
G01DMeasuring not specially adapted for a specific variable8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B67DDispensing, delivering or transferring liquids, not otherwise provided for4%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
F16KValves4%
G01SRadio direction-finding4%
PatentTitleYear
10,175,088Liquid level gauge with removable indicator assembly2019D0833310Lens cover for liquid level gauge2018D0832124Sensor module for liquid level gauge201810,066,979Sealed head construction for liquid level transducers20189,683,874'Universal mounting head construction for liquid level transducers and the like'20179,366,386'Liquid level gauge for a cryogenic fluid cylinder'2016D0414711'Gauge dial'19995,072,618'Adjustable LPG gauge'19914,635,480'Density compensating float'19874,483,367'Stop fill valve'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2019Patents assigned to ROCHESTER GAUGES INC (8)· patent assignee history
1984–2016Based in Dallas, TX, US· patent location history
1999–2019Based in Irving, TX, US· patent location history
2016Patents assigned to WORTHINGTON CYLINDERS CORP (1)· patent assignee history
2017–2019Patents assigned to TEXAS LFP LLC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCHESTER GAUGES INC | 8 | 1984–2019 |
| TEXAS LFP LLC | 5 | 2017–2019 |
| WORTHINGTON CYLINDERS CORP | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irving, Texas, US | 6 | 1999–2019 |
| Dallas, Texas, US | 4 | 1984–2016 |