Inventor · disambiguated record
Butch Hazel
Also filed as: HAZEL BUTCH
3 granted patents·39 citations·filing 2005–2010
69Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0185US7757786B2Impact excavation system and method with injection systemPDTI HOLDINGS LLC·Filed 2008·Granted Jul 20, 2010·23 cites·5 claims
- 0278US7793741B2Impact excavation system and method with injection systemPDTI HOLDINGS LLC·Filed 2005·Granted Sep 14, 2010·16 cites·19 claims
- 0339US8162079B2Impact excavation system and method with injection systemHARDER NATHAN J·Filed 2010·Granted Apr 24, 2012·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →