Inventor

SWADI SHANTANU

US9 patents

⚠️ This page may combine multiple inventors who share the name “SWADI SHANTANU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH INTERNATIONAL

4 patents

US7748478B2Jul 6, 2010

Percussion drilling assembly and hammer bit with an adjustable choke

SMITH INTERNATIONAL16 citations81

US7950475B2May 31, 2011

Percussion drilling assembly having a floating feed tube

SMITH INTERNATIONAL2 citations60

US8763729B2Jul 1, 2014

Percussion drilling assembly and hammer bit with gage and outer row reinforcement

SMITH INTERNATIONAL2 citations59

US9605485B1Mar 28, 2017

Percussion drilling assembly and hammer bit with gage and outer row reinforcement

SMITH INTERNATIONAL0 citations48

SWADI SHANTANU

2 patents

US8651202B2Feb 18, 2014

Percussion drilling assembly having a floating feed tube

SWADI SHANTANU2 citations57

US8387725B2Mar 5, 2013

Percussion drilling assembly and hammer bit with gage and outer row reinforcement

SWADI SHANTANU1 citations45

MARSHALL ALAN J

1 patent

US8312944B2Nov 20, 2012

Percussion hammer bit with a driver sub including a guide sleeve portion

MARSHALL ALAN J11 citations76

SAUDI ARABIAN OIL CO

1 patent

US12540527B1Feb 3, 2026

Methods for sealing leaks in oil and gas wells

SAUDI ARABIAN OIL CO0 citations54

MARSHALL ALAN JACKSON

1 patent

US8657040B2Feb 25, 2014

Percussion drilling assembly and locking system therefor

MARSHALL ALAN JACKSON3 citations50