Individual holder
KELLER CARL E
US·18 granted patents·1 pending application·216 citations·filing 1988–2022
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
19 records- 0198US10030486B1Method for installation or removal of flexible liners from boreholesKELLER CARL E·Filed 2016·Granted Jul 24, 2018·19 cites·19 claims
- 0296US11319783B1Method for guiding the direction of eversion of a flexible linerKELLER CARL E·Filed 2020·Granted May 3, 2022·5 cites·26 claims
- 0395US11980921B1Method for removing NAPL contaminants from geologic formationsKELLER CARL E·Filed 2022·Granted May 14, 2024·2 cites·18 claims
- 0495US10139262B2Method for air-coupled water level meter systemKELLER CARL E·Filed 2015·Granted Nov 27, 2018·8 cites·10 claims
- 0594US9008971B2Measurement of hydraulic head profile in geologic mediaKELLER CARL E·Filed 2011·Granted Apr 14, 2015·20 cites·9 claims
- 0694US8424377B2Monitoring the water tables in multi-level ground water sampling systemsKELLER CARL E·Filed 2010·Granted Apr 23, 2013·22 cites·20 claims
- 0794US7281422B2Method for borehole conductivity profilingKELLER CARL E·Filed 2005·Granted Oct 16, 2007·53 cites·22 claims
- 0893US10337314B2Shallow ground water characterization system using flexible borehole linersKELLER CARL E·Filed 2016·Granted Jul 2, 2019·9 cites·19 claims
- 0990US10472931B1Method for removal of flexible liners from boreholesKELLER CARL E·Filed 2018·Granted Nov 12, 2019·6 cites·22 claims
- 1090US10060252B1Method for mapping of flow arrivals and other conditions at sealed boreholesKELLER CARL E·Filed 2014·Granted Aug 28, 2018·11 cites·4 claims
- 1190US9534477B2Method of installation of flexible borehole liner under artesian conditionsKELLER CARL E·Filed 2014·Granted Jan 3, 2017·12 cites·20 claims
- 1289US8176977B2Method for rapid sealing of boreholesKELLER CARL E·Filed 2009·Granted May 15, 2012·32 cites·20 claims
- 1388US9797227B2Method for sealing of a borehole liner in an artesian wellKELLER CARL E·Filed 2014·Granted Oct 24, 2017·10 cites·17 claims
- 1476US11085262B2Method of installation of a flexible borehole liner without eversionKELLER CARL E·Filed 2020·Granted Aug 10, 2021·1 cites·20 claims
- 1558US10954759B1Method for increasing pressure in a flexible liner with a weighted wellheadKELLER CARL E·Filed 2019·Granted Mar 23, 2021·0 cites·7 claims
- 1654US11585211B2Flexible liner system and method for detecting flowing fractures in mediaKELLER CARL E·Filed 2020·Granted Feb 21, 2023·0 cites·14 claims
- 1746US11143001B2Optimal screened subsurface well designKELLER CARL E·Filed 2020·Granted Oct 12, 2021·0 cites·15 claims
- 1838US4860587AStress gaugeKELLER CARL E·Filed 1988·Granted Aug 29, 1989·6 cites·2 claims
- 1937US2016047225A1Method for slender tube, multi-level, subsurface borehole sampling systemKELLER CARL E·Filed 2015·Application pending·0 cites
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