Inventor · disambiguated record
Joseph Purcell
Also filed as: PURCELL JOSEPH · PURCELL JOSEPH M
16 granted patents·3 pending applications·104 citations·filing 1995–2022
90Inventor score
Files withMINCON INT LTD6MINROC TECHN PROMOTIONS LTD4PURCELL JOSEPH4AZUKO PTY LTD ACN1ELLIOT RICHARD J1
Top patents by PatentIndex Score
19 records- 0168US7987930B2Drill bit assembly for fluid-operated percussion drill toolsMINROC TECHN PROMOTIONS LTD·Filed 2006·Granted Aug 2, 2011·12 cites·8 claims
- 0264US11725456B2Hydraulic down-the-hole hammer and subsea pileMINCON INT LTD·Filed 2022·Granted Aug 15, 2023·0 cites·15 claims
- 0363US8985245B2Drill bit assembly for fluid-operated percussion drill toolsPURCELL JOSEPH·Filed 2010·Granted Mar 24, 2015·3 cites·14 claims
- 0460US7975784B2Drill bit assembly for fluid-operated percussion drill toolsMINROC TECHN PROMOTIONS LTD·Filed 2007·Granted Jul 12, 2011·7 cites·7 claims
- 0557US6637520B1Component mounting method and apparatus for a percussion toolAZUKO PTY LTD ACN·Filed 1999·Granted Oct 28, 2003·21 cites·20 claims
- 0657US5685380AReverse circulation down-the-hole drillMINROC TECHNICAL PROMOTIONS LI·Filed 1995·Granted Nov 11, 1997·45 cites·5 claims
- 0754US10808476B2Drill rod for percussion drill toolMINCON INT LTD·Filed 2014·Granted Oct 20, 2020·1 cites·22 claims
- 0851US11739593B2Drill bit assembly for percussion drill toolsMINCON INT LTD·Filed 2019·Granted Aug 29, 2023·0 cites·20 claims
- 0950US7735584B2Percussion hammer for enlarging drilled holesMINROC TECHN PROMOTIONS LTD·Filed 2006·Granted Jun 15, 2010·3 cites·9 claims
- 1046US2012323785A1Method of using paper checks that are tied to prepaid debit card and cashed only by designated entitiesELLIOT RICHARD J·Filed 2012·Application pending·0 cites
- 1144US11959337B2Drilling unitMINCON NORDIC OY·Filed 2020·Granted Apr 16, 2024·0 cites·18 claims
- 1244US10876359B2Multi-accumulator arrangement for hydraulic percussion mechanismMINCON INT LTD·Filed 2014·Granted Dec 29, 2020·0 cites·20 claims
- 1343US12123260B2Drill bit assembly for fluid-operated percussion drill toolsMINCON INT LTD·Filed 2020·Granted Oct 22, 2024·0 cites·13 claims
- 1440US2015176334A1Symmetrical bit for directional drilling toolMINCON INTERNAT LTD·Filed 2013·Application pending·0 cites
- 1539US9045945B2Attachment for percussion drill toolsPURCELL JOSEPH·Filed 2011·Granted Jun 2, 2015·0 cites·19 claims
- 1637US9103165B2Down-the-hole hammerPURCELL JOSEPH·Filed 2011·Granted Aug 11, 2015·0 cites·18 claims
- 1736US11236549B2Drill bit with detachable bit headMINCON INT LTD·Filed 2018·Granted Feb 1, 2022·0 cites·12 claims
- 1834US6290424B1Segmented ring mounting for a fluid-operated percussion drill toolMINROC TECHN PROMOTIONS LTD·Filed 1999·Granted Sep 18, 2001·12 cites·11 claims
- 1931US2006000646A1Down-the hole hammerPURCELL JOSEPH·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Joseph Purcell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →