P
PatentIndex
Search
Landscape
Sign in
Inventor
BALL DAVID E
US
4 patents
⚠️ This page may combine multiple inventors who share the name “BALL DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
2 patents
US7296462B2
Nov 20, 2007
Multi-purpose downhole tool
HALLIBURTON ENERGY SERV INC
47 citations
85
US7021405B2
Apr 4, 2006
Determining gradients using a multi-probed formation tester
HALLIBURTON ENERGY SERV INC
17 citations
83
BALL DAVID E
1 patent
US8461968B2
Jun 11, 2013
Mattress for a hospital bed for use in a healthcare facility and management of same
BALL DAVID E
33 citations
87
TAFF OPTICAL LLC
1 patent
US10916232B1
Feb 9, 2021
Acoustical optical pickup for use in stringed musical instruments
TAFF OPTICAL LLC
0 citations
38