Inventor
Dennis R. Jarnecke
Inventor
River Forest, IL, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Lprimary
F16LPipes28%
F16KValves16%
G01FMeasuring volume, volume flow, mass flow or liquid level12%
Y10TTechnical subjects covered by former us classification12%
E03BInstallations or methods for obtaining, collecting, or distributing water8%
G01MTesting static or dynamic balance of machines or structures8%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
E02FDredging4%
F17DPipe-line systems4%
H01RElectrically-conductive connections4%
PatentTitleYear
10,801,657Detachable system to shut off pressure flow in pipes202010,571,038Breakaway coupling202010,527,217Launch system for underground gas main stop-off station202010,054,237Breakaway coupling20189,500,311'Directional insertion tool'20169,297,487'Installation of a valve in a pipeline'20167,549,359'Aldyl a tee scraper'20097,243,579'Universal cap tool/tool holder'20077,234,252'Method and apparatus for beneficiating soils during vacuum excavation'20077,179,114'Direct bury tracer wire connector'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2016Patents assigned to GAS TECHNOLOGY INST (4)· patent assignee history
2007–2016Patents assigned to JARNECKE DENNIS R (3)· patent assignee history
2007–2020Based in River Forest, IL, US· patent location history
2018–2020Patents assigned to OPERATIONS TECH DEVELOPMENT NFP (3)· patent assignee history
2018–2020Patents assigned to OPW ENG SYSTEMS INC (2)· patent assignee history
2018–2020Patents assigned to OPW—ENGINEERED SYSTEMS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GAS TECHNOLOGY INST | 4 | 2007–2016 |
| JARNECKE DENNIS Rself | 3 | 2007–2016 |
| OPERATIONS TECH DEVELOPMENT NFP | 3 | 2018–2020 |
| OPW ENG SYSTEMS INC | 2 | 2018–2020 |
| OPW—ENGINEERED SYSTEMS INC | 2 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| River Forest, Illinois, US | 10 | 2007–2020 |