| Patents for B08B 9 - Cleaning hollow articles by methods or apparatus specially adapted thereto (21,169) |
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| 03/12/1992 | DE4101028C1 Suction device used to remove e.g. residue from containers - includes suction unit and lump breaking unit |
| 03/12/1992 | DE4028854A1 Pipeline pig with manual or automatic control |
| 03/11/1992 | EP0428509A4 Improved drain-cleaning implement |
| 03/11/1992 | EP0422005A4 Tube cleaning apparatus |
| 03/11/1992 | EP0409955A4 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices |
| 03/11/1992 | CN2098333U Cleaner for pipeline |
| 03/10/1992 | US5093949 Apparatus for cleaning liquid storage tank |
| 03/10/1992 | CA1296960C Water heater tank flushing device |
| 03/10/1992 | CA1296848C Air-blasting cartridge |
| 03/05/1992 | DE4027023A1 Device for cleaning insides of containers - has rise and fall frame with hinged trapezoidal wings with cleaning tools |
| 03/04/1992 | EP0473369A1 Process of and apparatus for electric pipeline heating |
| 03/04/1992 | EP0269743B1 Automatic melt-cutting device for heat-shrinkable labels |
| 03/03/1992 | US5092523 Magnetic drive tank cleaning apparatus |
| 03/03/1992 | US5092357 Cleaning of the exterior surface of a pipeline to remove coatings |
| 03/03/1992 | US5092356 Nozzle system to spray the insides of bottles |
| 03/03/1992 | CA1296820C Waste water treatment process |
| 03/01/1992 | CA2024315A1 Plunger |
| 02/26/1992 | EP0472457A1 Purging and flushing apparatus for disposable bottles containing a toxic product |
| 02/25/1992 | US5091034 Multi-step combined mechanical/thermal process for removing coatings from steel substrates with reduced operating and capital costs and with increased refrigeration speed and efficiency |
| 02/25/1992 | US5091016 Method for dispersing sediment contained in a storage tank |
| 02/25/1992 | US5090440 Line cleaning apparatus |
| 02/25/1992 | US5090079 Apparatus for cleaning pipe |
| 02/25/1992 | CA1296147C Teat cup disinfectant system |
| 02/21/1992 | CA2049467A1 Apparatus for emptying and rinsing non-recoverable flasks containing a toxic product |
| 02/20/1992 | WO1992002310A1 Improved pneumatic gun and projectiles therefor |
| 02/20/1992 | WO1992002285A1 Improved pipe cleaning modules and systems and methods for their use |
| 02/20/1992 | CA2089269A1 Pneumatic gun and projectiles therefor |
| 02/19/1992 | EP0471428A1 High pressure water jet cleaner and coating applicator |
| 02/18/1992 | US5088517 Apparatus for admitting flowable additive to a liquid |
| 02/18/1992 | CA1295982C Method and apparatus for the realization of a leakage-free switching double seat valve adapted for cleaning seat surfaces |
| 02/18/1992 | CA1295897C Flexible lance for steam generator secondary side sludge removal |
| 02/11/1992 | US5087294 Method and apparatus for cleaning a petroleum products storage tank |
| 02/11/1992 | US5086842 Device and installation for the cleaning of drains, particularly in a petroleum production well |
| 02/04/1992 | US5085768 Welded fuel tank |
| 02/04/1992 | US5085710 Cleaning with an immiscible mixture of nonionic surfactant and diluent for solvent extraction |
| 02/04/1992 | US5085244 Assembly for cleaning a drain conduit |
| 02/04/1992 | US5085242 Method and apparatus for the removal of black oil residues from tanks |
| 02/04/1992 | US5085016 Method and apparatus for cleaning pipe |
| 02/04/1992 | CA1295097C Pigging fluid transportation pipeline systems |
| 01/29/1992 | EP0467962A1 Foundation drain cleaning apparatus and method |
| 01/29/1992 | CN2094403U Steam cleaning machine for gasified petroleum gas steel bottle |
| 01/29/1992 | CN2094402U Washing machine for oil tank |
| 01/28/1992 | US5083500 Radon treatment system and method |
| 01/23/1992 | WO1992001182A1 Apparatus for automatically switching pipe lines in liquid processing plant |
| 01/21/1992 | US5082502 Gas explosion to produce shockwave |
| 01/21/1992 | US5081800 Vehicular device designed to operate in enclosed canals |
| 01/20/1992 | CA2021512A1 Spray washing apparatus |
| 01/16/1992 | DE4021858A1 Inserting pipe or tube into elongated duct - involves compressor, discharge piece, outlet and deflector |
| 01/14/1992 | WO1992001121A1 Apparatus and method for cleaning pipe |
| 01/14/1992 | US5080720 Method and apparatus for cleaning the annulus formed by concentric pipes |
| 01/14/1992 | US5080004 Clean-out pipe receptacle |
| 01/14/1992 | CA2087269A1 Apparatus and method for cleaning pipe |
| 01/08/1992 | EP0358682A4 Apparatus for the combatting of marine growth on offshore structures |
| 01/07/1992 | US5078799 Process for recovering crude oil or refinery products from sludgy, thickened or sedimented products |
| 01/07/1992 | US5078162 Cleaning apparatus for tubes |
| 01/07/1992 | US5077861 Hose cleaner |
| 01/02/1992 | EP0333859B1 Device for cleaning pipelines |
| 12/31/1991 | US5076893 Apparatus for decoking a delayed coker using a flexible pipe |
| 12/31/1991 | US5076856 Flushing with solvent pressurized air and oil delay cycles, so aking |
| 12/31/1991 | US5076307 Apparatus for spraying a liquid in a tank |
| 12/31/1991 | US5076303 Spraying ionized air; brushing vacuum removal of air air particles |
| 12/24/1991 | US5074999 Filter system having multiple filter elements and backflushing assemblies |
| 12/24/1991 | US5074323 Hydrocleaning of the exterior surface of a pipeline to remove coatings |
| 12/24/1991 | US5074007 Suction flexible brush |
| 12/18/1991 | EP0461997A1 Cleaning robot, particularly for ventilation ducts |
| 12/18/1991 | EP0461984A1 Washing device, especially for a continuous crystallization apparatus |
| 12/18/1991 | EP0461506A1 Underwater mobile type inspection system |
| 12/18/1991 | CN2090740U Universal scrubber for containers |
| 12/18/1991 | CN2090739U Household hand-obstruction-removing device for pipeline |
| 12/18/1991 | CN1015095B Receptacle handling machine |
| 12/17/1991 | US5072881 Method of cleaning automated paint spraying equipment |
| 12/17/1991 | US5072487 For traversing a conduit and cleaning and disinfecting it from within |
| 12/17/1991 | US5072476 Apparatus for cleaning pipelines for beverages and the like |
| 12/12/1991 | WO1991019574A1 Method and apparatus for cleaning the annulus formed by concentric pipes |
| 12/12/1991 | WO1991018686A1 Automated scraping unit |
| 12/12/1991 | DE4018113A1 Removing labels from bottles - involves slit nozzles for directing separate devices accurately onto label points |
| 12/12/1991 | CA2060179A1 Method and apparatus for cleaning the annulus formed by concentric pipes |
| 12/12/1991 | CA2044198A1 Cleaning device, particularly for continuous crystallization apparatus |
| 12/10/1991 | US5071487 Method and apparatus for cleaning passageways in metal castings |
| 12/10/1991 | US5070568 Cleaning device for cleaning nozzle and welding tip of a wire feed electrical arc welder |
| 12/05/1991 | DE4017368A1 Cleaning insides of pipes - involves guide carriage with centring rods and spring-loaded lever arms |
| 12/05/1991 | DE4017367A1 Cleaning insides of pipes - involves rotary nozzle assembly coupled to separate rotary drive device |
| 12/03/1991 | US5069722 Cleaning zebramussels from water pipes |
| 12/03/1991 | US5069234 Apparatus for treating an exterior pipe surface |
| 12/03/1991 | US5068940 Apparatus for cleaning sewers |
| 11/28/1991 | WO1991017843A1 Tube cleaner |
| 11/28/1991 | DE4016972A1 Beer keg washing machine - has sensors to control spacing between kegs to match input rate with output rate |
| 11/28/1991 | DE4016950A1 Automatic bottle washing machine - has turntable fitted with brushes and has second turntable on which bottles are dried |
| 11/21/1991 | EP0457682A1 Method of unblocking a pipe carrying dangerous products |
| 11/21/1991 | EP0457189A2 Device for cleaning containers |
| 11/21/1991 | DE4015833A1 Liq. sample extractor esp. for natural water conduits - has adjuster for cleaner on collector for sample vessel |
| 11/21/1991 | DE4013060C1 Removing powder from spray gun tubing - by blowing down compressed air plus granules of larger particle size than powder and blowing at speed equal to air-powder draught |
| 11/20/1991 | CN2088907U Dredge device for piping |
| 11/20/1991 | CN2088906U Rubber dredge device |
| 11/20/1991 | CN1056346A Inside processing apparatus |
| 11/19/1991 | US5065781 Storage tank cleanout apparatus |
| 11/14/1991 | WO1991017386A1 Cleanable scraper station |
| 11/14/1991 | WO1991017236A1 Cleaning agents for returnable plastic or plastic-coated glass containers |
| 11/14/1991 | WO1991017001A1 A method and apparatus for collecting wash liquid samples |
| 11/14/1991 | WO1991017000A1 Tank washing equipment |