Inventor · disambiguated record
John Frayn Ewans
Also filed as: EWANS JOHN · EWANS JOHN F · EWANS JOHN FRAYN
11 granted patents·180 citations·filing 1989–2018
89Inventor score
Files withEWANS JOHN FRAYN6DEPUY INT LTD2BISBELL MAGNETIC PRODUCTS LTD1BRIGHTWELL DISPENSERS LTD1PULSAFE SAFETY PROD1
Top patents by PatentIndex Score
11 records- 0182US5054479ASafety visor having a rotatably mounted shield and filterPULSAFE SAFETY PROD·Filed 1989·Granted Oct 8, 1991·88 cites·3 claims
- 0281US8458926B2Rowing shoesEWANS JOHN FRAYN·Filed 2010·Granted Jun 11, 2013·8 cites·15 claims
- 0376US10900852B2Rowing power measurementEWANS JOHN FRAYN·Filed 2018·Granted Jan 26, 2021·2 cites·16 claims
- 0467US8407910B2Rowing-boat gaugesEWANS JOHN FRAYN·Filed 2010·Granted Apr 2, 2013·3 cites·13 claims
- 0565US7749279B2Bone cement plugDEPUY INT LTD·Filed 2003·Granted Jul 6, 2010·54 cites·17 claims
- 0657US6712244B1Dispensing deviceBRIGHTWELL DISPENSERS LTD·Filed 2000·Granted Mar 30, 2004·11 cites·12 claims
- 0751USD372390SMagnetic utensil holderBISBELL MAGNETIC PRODUCTS LTD·Filed 1995·Granted Aug 6, 1996·9 cites·1 claims
- 0849US6973739B2Rigger-spread measuring instrumentsEWANS JOHN FRAYN·Filed 2004·Granted Dec 13, 2005·5 cites·15 claims
- 0946US9804268B2Display instruments allowing display orientation adjustmentEWANS JOHN FRAYN·Filed 2015·Granted Oct 31, 2017·0 cites·10 claims
- 1041US7452252B2Rowing- and sculling-boat electric-switch operationEWANS JOHN FRAYN·Filed 2006·Granted Nov 18, 2008·0 cites·7 claims
- 1139US8034058B2Tibial cement skirt assemblyDEPUY INT LTD·Filed 2006·Granted Oct 11, 2011·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →