GEOTHERMETRY
Filed: June 17, 1983
Interpreting Soil Temperatures for the Purpose of Identifying Appropriate Locations for Water Wells
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 73430822
BECKER DRILLS INC.
Filed: January 10, 1991
power operated earth drilling bits
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 74129255
ACCU-DRIL
Filed: June 4, 1991
mud motors for use in drilling wells
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 74172915
LAYNE
Filed: November 18, 1991
drilling services; namely, water well drilling, solid and rock drilling and sampling; hydrogeological services; namely,…
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 74222924
LAYNE ANOXIC BLOCK SYSTEM
Filed: April 16, 1992
water well treatment services; namely, inhibiting aerobic bacterial contamination of water wells by chemical treatment
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 74266203
QC-21 WELL CLEANER
Filed: October 27, 1995
well cleaning solution
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75011275
THE TOOLS THAT MAKE A DIFFERENCE
Filed: March 10, 1997
power drill bits
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75254719
A STEP AHEAD OF THE REST
Filed: November 18, 1997
EARTH BORING DRILL BITS
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75392245
METALL:X
Filed: November 26, 1997
aluminum-magnesium hydroxide formed into a crystalline structure that absorbs and removes metals in their anionic complex…
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75396946
ACCU-SHOT
Filed: July 7, 1998
DOWN HOLE CAMERAS USED IN DRILL HOLES
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75514281
INTEGRATED GROUNDWATER SERVICES
CONSTRUCTION AND MAINTENANCE OF WATER SUPPLY AND WATER TREATMENT SYSTEMS
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75868095
IGS
CONSTRUCTION AND MAINTENANCE OF WATER SUPPLY AND WATER TREATMENT SYSTEMS
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 75868096
ACCU-ESS
DOWN HOLE CAMERAS USED IN DRILL HOLES
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76068194
ACCU-EMS
DOWN HOLE CAMERAS USED IN DRILL HOLES
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76068196
ACCU-STEER
DOWN HOLE CAMERAS USED IN DRILL HOLES
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76068197
BOREBLAST
Filed: June 15, 2001
CLEANING OF WATER WELLS; REHABILITATION SERVICES, NAMELY, REPAIR OF WATER WELLS
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76271810
FERRISORB
TREATMENT OF WATER FOR ARSENIC REMOVAL
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76442437
LAYNEOX
TREATMENT OF WATER BY FILTRATION
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76443944
FERRISORB
TREATMENT OF WATER FOR ARSENIC REMOVAL
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76459432
LAYNEOX
TREATMENT OF WATER BY FILTRATION
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 76459433
SOLMETEX
processed ion exchange resins for use in contaminant and precious metal removal from industrial waste water and drinking…
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 78681336
NPRIO
Processed ion exchange resins for use in contaminent and precious metal removal from industrial waste water and drinking…
Owned by: LAYNE CHRISTENSEN COMPANY
Serial Number: 78913029
