Inventor · disambiguated record
Andrew Ralph
Also filed as: RALPH ANDREW · RALPH ANDREW JOHN
11 granted patents·1 pending application·34 citations·filing 2008–2018
84Inventor score
Top patents by PatentIndex Score
12 records- 0195US10086408B2Vibratory separator screen with multiple frame designMI LLC·Filed 2013·Granted Oct 2, 2018·24 cites·22 claims
- 0283US10369501B2Apparatus, system and method for combining modular repair plugsM I DRILLING FLUIDS UK LTD·Filed 2016·Granted Aug 6, 2019·3 cites·10 claims
- 0374US10137389B2High capacity filtering screenMI LLC·Filed 2014·Granted Nov 27, 2018·2 cites·14 claims
- 0463US9073268B2Plugs for repairing sifting or filtering screensROBERTSON GRAHAM·Filed 2008·Granted Jul 7, 2015·1 cites·6 claims
- 0562US10758848B2High capacity filtering screenMI LLC·Filed 2018·Granted Sep 1, 2020·0 cites·19 claims
- 0660US8763814B2Sifting screenROBERTSON GRAHAM·Filed 2009·Granted Jul 1, 2014·1 cites·11 claims
- 0756US9687878B2Locating feature for screenGALLOWAY CLAIRE·Filed 2009·Granted Jun 27, 2017·2 cites·20 claims
- 0854US8961784B2Plugs for repairing sifting or filtering screensRALPH ANDREW·Filed 2008·Granted Feb 24, 2015·1 cites·13 claims
- 0949US2016059162A1Screen having frame members with angled surface(s)M I DRILLING FLUIDS UK LTD·Filed 2014·Application pending·0 cites
- 1045US9440261B2Separating screensRALPH ANDREW·Filed 2009·Granted Sep 13, 2016·0 cites·14 claims
- 1143US10364623B2Extended shale shaker screen handle(s)UNITED WIRE LTD·Filed 2013·Granted Jul 30, 2019·0 cites·14 claims
- 1240US9592535B2Screen frameM-I DRILLING FLUIDS U K LTD·Filed 2013·Granted Mar 14, 2017·0 cites·16 claims
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