P

Inventor

KITZMAN JEFFERY D

US12 patents
⚠️ This page may combine multiple inventors who share the name “KITZMAN JEFFERY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CLEM NICHOLAS J

5 patents
US8528641B2Sep 10, 2013

Fracturing and gravel packing tool with anti-swabbing feature

CLEM NICHOLAS J7 citations82
US8235114B2Aug 7, 2012

Method of fracturing and gravel packing with a tool with a multi-position lockable sliding sleeve

CLEM NICHOLAS J8 citations82
US8191631B2Jun 5, 2012

Method of fracturing and gravel packing with multi movement wash pipe valve

CLEM NICHOLAS J4 citations61
US8230924B2Jul 31, 2012

Fracturing and gravel packing tool with upper annulus isolation in a reverse position without closing a wash pipe valve

CLEM NICHOLAS J1 citations50
US8215395B2Jul 10, 2012

Fracturing and gravel packing tool with shifting ability between squeeze and circulate while supporting an inner string assembly in a single position

CLEM NICHOLAS J1 citations50

BAKER HUGHES INC

3 patents
US9879492B2Jan 30, 2018

Disintegrating expand in place barrier assembly

BAKER HUGHES INC12 citations82
US9885229B2Feb 6, 2018

Disappearing expandable cladding

BAKER HUGHES INC2 citations71
US9951578B2Apr 24, 2018

Radially expandable ratchet locking borehole barrier assembly

BAKER HUGHES INC1 citations51

KITZMAN JEFFERY D

3 patents
US8950496B2Feb 10, 2015

Counter device for selectively catching plugs

KITZMAN JEFFERY D7 citations81
US9175552B2Nov 3, 2015

Isolation valve for subterranean use

KITZMAN JEFFERY D4 citations70
US8714257B2May 6, 2014

Pulse fracturing devices and methods

KITZMAN JEFFERY D4 citations70

MAILAND JASON C

1 patent
US9068429B2Jun 30, 2015

Dissolvable tool and method of dissolving same

MAILAND JASON C9 citations83