Inventor

LYON LELAND H

US42 patents

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

LYON LELAND H

INGERSOLL RAND CO

Self-lubricating, fluid-actuated, percussive down-the-hole drill

Venting and sealing system for down-hole drills

Piston for a self-lubricating, fluid-actuated, percussive down-the-hole drill

Indexing percussive drilling bit

Self-lubricating, fluid-actuated, percussive down-the-hole drill

Water separator for a down hole drill

Reversible casing for a self-lubricating, fluid-actuated, percussive down-the-hole drill

Apparatus for positioning a split retaining ring in a down-hole percussive drill

Reversible casing for a down-the-hole percussive apparatus

Device for removing drillhole debris

Device for removing debris from a drillhole

Method for removing debris from a drillhole

Removable filter fluid flow shutoff apparatus

Wrap spring clutch for percussive apparatus

Filter for a rockdrill

Wrap spring clutch for percussive apparatus

Percussion tool fluid filter apparatus

Water to emulsion transformer

On-off valve for hydraulic rockdrill

CENTER ROCK INC

Drill bit for a down-the-hole drill hammer

Non-rotating drill bit for a down-the-hole drill hammer

Pressure control check valve for a down-the-hole drill hammer

Down-the-hole drill hammer having a ribbed exhaust tube

Flow diversion sub for a down-the-hole drill hammer

Down-the-hole drill hammer having a roller bearing assembly

Non-rotating drill bit for a down-the-hole drill hammer

Drill bit for a down-the-hole drill hammer having spirally arranged cutting inserts

Down-the-hole drill hammer having a roller ramp clutch

LYON LELAND H

Down hole hammer having elevated exhaust

Down-the-hole drill drive coupling

Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly

Down-the-hole drill hammer having a sliding exhaust check valve

Self-indexing down-the-hole drill

Down-the-hole drill hammer having an extendable drill bit assembly

Drill bit

Pressure reversing valve assembly for a down-the-hole percussive drilling apparatus

ATLAS COPCO SECOROC AB

Fluid distributor device for down-hole-drills

Entrainment fluid channeling device for a down-hole drill string

ATLAS COPCO AB

Percussive drill with adjustable flow control

Quick release drill bit for down-hole drills

ATLAS COPCO SECOROC LLC

Down hole hammer having elevated exhaust

Exhaust valve and bit assembly for down-hole percussive drills