Inventor · disambiguated record
Frederic D. Sewell
Also filed as: SEWELL FREDERIC D
8 granted patents·1 pending application·202 citations·filing 1994–2022
84Inventor score
Files withSEWELL FREDERIC D6
Top patents by PatentIndex Score
9 records- 0186US5389120AHeating, ventilation and air conditioning unit with automatically controlled water spray air purification systemFiled 1994·Granted Feb 14, 1995·92 cites·36 claims
- 0281US5531801ALiquid spray air purification and controlled humidification apparatus with air quality monitor and controllerFiled 1995·Granted Jul 2, 1996·74 cites·27 claims
- 0373US9903178B2Hydraulic fracturing with strong, lightweight, low profile divertersSEWELL FREDERIC D·Filed 2017·Granted Feb 27, 2018·2 cites·23 claims
- 0462US5531800ALiquid spray air purification and controlled humidification apparatusFiled 1995·Granted Jul 2, 1996·34 cites·26 claims
- 0558US11591882B2Diverter informed adaptive well completion systemSEWELL FREDERIC D·Filed 2022·Granted Feb 28, 2023·0 cites·20 claims
- 0658US10822914B1Fracing apparatus and methodology using pressure-sensing divertersSEWELL FREDERIC D·Filed 2019·Granted Nov 3, 2020·0 cites·19 claims
- 0757US11333001B2Pulsing fracing apparatus and methodologySEWELL FREDERIC D·Filed 2020·Granted May 17, 2022·0 cites·10 claims
- 0848US2017159404A1Hydraulic Fracturing with Strong, Lightweight, Low Profile DivertersSEWELL FREDERIC D·Filed 2016·Application pending·0 cites
- 0941US10815750B2Hydraulic fracturing with strong, lightweight, low profile divertersSEWELL FREDERIC D·Filed 2018·Granted Oct 27, 2020·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →