Patents
Sitemap › C25 - Electrolytic or electrophoretic processes; Apparatus therefor › C25F - Processes for the electrolytic removal of materials from objects; Apparatus therefor › C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling
Patents for C25F 1 - Electrolytic cleaning, degreasing, pickling, or descaling (1,460)
09/1999
09/07/1999CA2038753C Electrolytic cleaning and refurbishing of grinding wheel
08/1999
08/05/1999WO1999039028A1 Method for treating a metal product
08/04/1999CN1224838A Surface scale preventing method for metal electrode
07/1999
07/07/1999EP0904429A4 A method for removal of films from metal surfaces using electrolysis and cavitation action
07/01/1999WO1999032690A1 Pickling process with at least two steps
06/1999
06/29/1999US5916431 Filter cleaning
06/23/1999CN1220321A Method for making Durimet with good surface properties
06/08/1999CA2102248C Method, device and equipment for treating the surface of metal bodies blanks, in particular, al or its alloys
06/02/1999CN1218521A Method for removal of film from metal surfaces using electrolysis and cavitation action
05/1999
05/12/1999EP0915186A1 Chromium-containing hot rolled steel strip and its production method
05/12/1999EP0915185A1 Method of making austenitic stainless steel sheet
04/1999
04/27/1999US5897764 Process for the treatment of high-grade steel strips
04/08/1999WO1999016936A1 Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
03/1999
03/31/1999EP0904429A1 A method for removal of films from metal surfaces using electrolysis and cavitation action
03/31/1999EP0904428A1 An electrolytic process for cleaning electrically conducting surfaces
03/30/1999CA2036647C Method of producing grain oriented silicon steel sheets having improved magnetic properties and bending properties
02/1999
02/09/1999US5868852 Partial clean fluorine thermal cleaning process
02/03/1999EP0894158A1 Descaling of metal surfaces
01/1999
01/20/1999CN1041758C Method and device for pickling of stainless steel
01/07/1999EP0888465A1 An electrolytic process for cleaning and coating electrically conducting surfaces
11/1998
11/24/1998US5840173 Process for treating the surface of material of high-grade steel
11/11/1998CN1198368A Surface treatment method, decorative article and electronics device
10/1998
10/28/1998EP0874067A2 Apparatus and method for removing metal or mineral contaminants, especially for oil drilling equipments
10/14/1998EP0870854A1 Method and apparatus for cleaning strips
10/08/1998WO1998044173A1 Cleaning of steel surfaces
10/08/1998WO1998044168A1 Chromium-containing hot rolled steel strip and its production method
10/07/1998EP0869201A2 Method for preventing metal deposition and an oil or gas well with electrically contacting means
09/1998
09/29/1998US5814204 Electrolytic decontamination processes
09/08/1998US5804056 Process and apparatus for producing strip products from stainless steel
08/1998
08/19/1998EP0698133B1 A method and a device for pickling of stainless steel
08/18/1998US5795460 Method for removal of films from metal surfaces using electrolysis and cavitation action
07/1998
07/30/1998WO1998032899A1 Continuous chemical metal strip descaling process and device
07/28/1998US5786556 Method and a device for pickling of stainless steel
07/15/1998EP0853141A2 Method for surface treatment, an ornament and a device
07/01/1998EP0730678A4 Ultrasonic agitator
06/1998
06/18/1998DE19702639C1 Continuous chemical descaling of metal strip
06/02/1998US5759307 Using pickling solution containing hydrochloric, sulfuric and(or) nitric acids
05/1998
05/28/1998WO1998022953A1 Reducing radionuclide surface contamination of a metallic component
02/1998
02/25/1998CN1174252A Roller-conveyed back-electrolysis process for cleaning and roughening copper surface of printed circuit board
01/1998
01/02/1998DE19624436A1 Stainless steel strip surface treatment
12/1997
12/29/1997EP0814180A1 Process for treating stainless steel surfaces
12/24/1997WO1997048839A1 Treating aluminium workpieces
12/23/1997US5700366 Electrolytic process for cleaning and coating electrically conducting surfaces
11/1997
11/04/1997US5683521 Reducing thickness of oxide film by electropolishing; low temperature annealing
10/1997
10/23/1997WO1997039167A1 Descaling of metal surfaces
10/23/1997CA2251782A1 Descaling of metal surfaces
10/16/1997WO1997038152A1 A method for removal of films from metal surfaces using electrolysis and cavitation action
10/16/1997CA2252028A1 A method for removal of films from metal surfaces using electrolysis and cavitation action
09/1997
09/25/1997WO1997035052A1 An electrolytic process for cleaning electrically conducting surfaces
09/25/1997WO1997035051A1 An electrolytic process for cleaning and coating electrically conducting surfaces
09/25/1997WO1997035050A1 Method of treating surfaces and a suitable device
09/25/1997CA2253311A1 An electrolytic process for cleaning electrically conducting surfaces
09/25/1997CA2253214A1 An electrolytic process for cleaning and coating electrically conducting surfaces
09/17/1997EP0795048A1 Cleaning aluminium workpieces
08/1997
08/13/1997EP0789095A1 Process and system for the treatment of stainless-steel strips
07/1997
07/30/1997EP0516757B1 Electrolytic removal of tin oxide from a coater
06/1997
06/18/1997EP0779090A1 In situ filter cleaning
05/1997
05/02/1997EP0770707A1 Process for producing cold-rolled strip continuously
04/1997
04/29/1997US5624626 Method of treating a ceramic body to form a wettable surface
03/1997
03/19/1997EP0763609A1 Process and apparatus for treating stainless-steel strips
03/12/1997CN2249252Y Electroacoustic quickly rust-removing device
12/1996
12/17/1996US5584984 Metal strip
12/03/1996CA1338759C Process and apparatus for electrolytically removing protective layers from sheet metal substrate
11/1996
11/27/1996EP0599948B1 Electrolytic bath solution and method for improving the surface wear resistance of tools
11/13/1996CN1135774A Ultrasonic ossilator
09/1996
09/11/1996EP0730678A1 Ultrasonic agitator
08/1996
08/13/1996US5545311 Filter cleaning
07/1996
07/04/1996WO1996020297A1 Descaling ships ballast tanks
07/03/1996CN1125966A A method and a device for pickling of stainless steel
06/1996
06/27/1996WO1996019596A1 Cleaning aluminium workpieces
05/1996
05/29/1996CN1123345A Method and apparatus for processing neutral salt electolysing liquid
05/28/1996CA1338350C Permanent domain refinement by aluminum deposition
05/08/1996CN1121960A Annealing and descaling method for stainless stell
03/1996
03/26/1996US5502251 Mold release agents, paints and lacquers for levelling and adhesion
03/19/1996CA1338172C Electrolytic processing method for electrolytically processing metal surface
02/1996
02/28/1996EP0698133A1 A method and a device for pickling of stainless steel
02/13/1996US5490908 Annealing and descaling method for stainless steel
02/07/1996EP0695818A1 Method and device for electrolytic surface treatment
01/1996
01/30/1996US5487820 Process for removing lead dioxide residues
01/17/1996EP0692555A1 Annealing and descaling method for stainless steel
01/12/1996CA2152453A1 Annealing and descaling method for stainless steel
12/1995
12/26/1995US5478450 Connecting precious-metal plated object to negative pole of direct voltage source; aluminum plate connected to positive pole; immersion in water; adjusting potential difference
12/21/1995DE4420718A1 Pickling strip or sheet material
12/13/1995EP0686420A1 Filter cleaning
12/10/1995CA2150311A1 Filter cleaning
12/05/1995US5472579 Hot-rolled steel strip manufacturing and descaling method and apparatus
11/1995
11/14/1995CA1337554C Method and apparatus for producing one-side electroplated steel strip with enhanced phosphatability
11/07/1995US5464524 Electroylzing the surface for improved adhesion, removal of oxide layer
11/07/1995US5464510 Method for removal of certain oxide films from metal surfaces
09/1995
09/12/1995US5449447 Method and device for pickling and galvanizing
08/1995
08/30/1995EP0668940A1 A method for removal of certain oxide films from metal surfaces
07/1995
07/25/1995US5435899 Method, device and apparatus for the surface treatment of metal can bodies, in particular of Al or alloys thereof
07/19/1995CN1105298A A hot-rolled steel strip manufacturing and descaling method and an apparatus thereof
06/1995
06/28/1995EP0659908A1 Process for removing residual lead dioxide
06/14/1995EP0657564A1 Process for cleaning and conditioning the surface of an electrolytically oxidizable metal alloy by hyperanodizing said surface
06/01/1995WO1995014798A1 Ultrasonic agitator
06/01/1995CA2176932A1 Ultrasonic agitator
05/1995
05/31/1995CN1103114A A method for removal of certain oxide films from metal surfaces
04/1995
04/25/1995US5409594 Ultrasonic agitator
04/18/1995US5407544 Method for removal of certain oxide films from metal surfaces
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