Inventor
LAY WARREN T
US8 patents
⚠️ This page may combine multiple inventors who share the name “LAY WARREN T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INGERSOLL RAND CO
5 patentsUS5325926AJul 5, 1994
Reversible casing for a down-the-hole percussive apparatus
INGERSOLL RAND CO35 citations92
US6237704B1May 29, 2001
Backhead and check valve for down-hole drills
INGERSOLL RAND CO31 citations91
US6170581B1Jan 9, 2001
Backhead and check valve for down-hole drills
INGERSOLL RAND CO28 citations91
US5207283AMay 4, 1993
Reversible bit bearing
INGERSOLL RAND CO22 citations91
US5301761AApr 12, 1994
Pressure reversing valve for a fluid-actuated, percussive drilling apparatus
INGERSOLL RAND CO49 citations89