Inventor · disambiguated record
Eric Evans
Also filed as: EVANS ERIC · EVANS ERIC R
19 granted patents·3 pending applications·89 citations·filing 1980–2025
92Inventor score
Files withWEATHERFORD TECH HOLDINGS LLC9HEIL CO7SIEMENS ENERGY INC2EBRO ESPALIER LTD1EBRO ESPALIER LTD EBRO ORCHARDS1
Top patents by PatentIndex Score
22 records- 0194US11306562B1Stage tool having composite seatsWEATHERFORD TECH HOLDINGS LLC·Filed 2021·Granted Apr 19, 2022·14 cites·22 claims
- 0291US10686345B2Short circuit stop stud locking plateSIEMENS ENERGY INC·Filed 2017·Granted Jun 16, 2020·6 cites·13 claims
- 0386US9911016B2Radio frequency identification tag delivery systemWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 6, 2018·5 cites·30 claims
- 0482US10915714B2Active RFID tag arrangements for actuation of downhole equipment in well fluidsWEATHERFORD TECH HOLDINGS LLC·Filed 2019·Granted Feb 9, 2021·3 cites·17 claims
- 0579US2025340371A1Refuse collection with auger and contamination detection panelHEIL CO·Filed 2025·Application pending·0 cites
- 0674US10586083B2Active RFID tag arrangements for actuation of downhole equipment in well fluidsWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 10, 2020·2 cites·18 claims
- 0774US2025058969A1Residential container guides for a front end loaderHEIL CO·Filed 2024·Application pending·0 cites
- 0871US12168569B2Residential container guides for a front end loaderHEIL CO·Filed 2023·Granted Dec 17, 2024·0 cites·20 claims
- 0968US10198606B2Radio frequency identification tag delivery systemWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Feb 5, 2019·1 cites·22 claims
- 1066US10392898B2Mechanically operated reverse cementing crossover toolWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Aug 27, 2019·1 cites·20 claims
- 1165US4336667AFruit cultivationEVANS ERIC R·Filed 1980·Granted Jun 29, 1982·24 cites·9 claims
- 1264US11787629B2Residential container guides for a front end loaderHEIL CO·Filed 2021·Granted Oct 17, 2023·0 cites·19 claims
- 1363US6391262B1Test kit for measuring volatile ammonia in biological sampleFiled 1999·Granted May 21, 2002·26 cites·8 claims
- 1461US12378068B2Refuse collection with auger and contamination detection panelHEIL CO·Filed 2022·Granted Aug 5, 2025·0 cites·28 claims
- 1558US12428223B2Refuse packer system with augerHEIL CO·Filed 2022·Granted Sep 30, 2025·0 cites·24 claims
- 1657US12098615B2Hydrostatically insensitive plug assemblyWEATHERFORD TECH HOLDINGS LLC·Filed 2023·Granted Sep 24, 2024·0 cites·20 claims
- 1753US12110761B2Hydrostatically insensitive testing and injection plugWEATHERFORD TECH HOLDINGS LLC·Filed 2023·Granted Oct 8, 2024·0 cites·22 claims
- 1853US11951688B2Generator injection toolSIEMENS ENERGY INC·Filed 2022·Granted Apr 9, 2024·0 cites·12 claims
- 1948US2022363474A1Ejector actuation of refuse vehicle tailgateHEIL CO·Filed 2022·Application pending·0 cites
- 2047USD280794SCross arm for an espalier frameEBRO ESPALIER LTD EBRO ORCHARDS·Filed 1983·Granted Oct 1, 1985·5 cites·1 claims
- 2142US11686182B2Top-down cementing of liner assemblyWEATHERFORD TECH HOLDINGS LLC·Filed 2021·Granted Jun 27, 2023·0 cites·24 claims
- 2234USD286259SEspalier frameEBRO ESPALIER LTD·Filed 1983·Granted Oct 21, 1986·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →