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MINROC TECHN PROMOTIONS LTD

Overview
  • Total Patents
    50
About

MINROC TECHN PROMOTIONS LTD has a total of 50 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Ireland, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets civil engineering, machine tools and machines are DrawWorks LP, ROTARY OIL TOOL COMPANY and RALPH SPEAROW.

Patent filings per year

Chart showing MINROC TECHN PROMOTIONS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Purcell Joseph 38
#2 Purcell Patrick 5
#3 Joseph Purcell 4
#4 Sweeny Peter J 2
#5 Hanson J 1
#6 Sweeney Peter Josef 1
#7 Jack Hanson 1
#8 Purcell Joe 1
#9 Brown John C A T 1
#10 Purcell P 1

Latest patents

Publication Filing date Title
IES20100666A2 A down-the-hole hammer
IES20100502A2 An attachment for percussion drill tools
IES20090701A2 A drill bit assembly for fluid-operated percussion drill tools
IES20090129A2 A drill bit assembly for fluid-operated percussion drill tools
AU2008100136A4 A Drill Bit Assembly for Fluid-Operated Percussion Drill Tools
KR20080038309A A drill bit assembly for fluid-operated percussion drill tools
IES20060005A2 A drill bit assembly for fluid-operated percussion drill tools
IES20050621A2 A percussion hammer for enlarging drilled holes
IES20050495A2 A drill bit assembly for fluid-operated percussion drill tools
IES20040482A2 A down-the-hole hammer
IES20020794A2 A down-the-hole hammer
IES20000221A2 Down-the-hole hammer with variable pressure chamber
US6290424B1 Segmented ring mounting for a fluid-operated percussion drill tool
IE950010A1 A reverse circulation down-the-hole drill
BE1001265A7 Valveless hammer drill with reciprocating piston - slowed by compressor air before it completes its return stroke
US4790390A Valveless down-the-hole drill
US4819746A Reverse circulation down-the-hole hammer drill and bit therefor
IE870358L Down-hole drill
IE870073L Percussive drill and bit
BE903033A Improvements to a percussion drilling device.