Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 181/245
Name: Acoustics > Sound-modifying means > Muffler, fluid conducting type > Corrosion prevention > Internally coated parts
Description: Subject matter wherein at least some of the fluid contacting surfaces of the conducting devices are coated so as to prevent corrosion.










Patents under this class:

Patent Number Title Of Patent Date Issued
7263826 Muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe Sep. 4, 2007
6582835 Coated ferrite stainless steel sheet usable in the automobile exhaust sector Jun. 24, 2003
5477014 Muffler device for internal combustion engines Dec. 19, 1995
4930678 Heat-resistant exhaust manifold and method of preparing same Jun. 5, 1990
4808441 Metal articles having corrosion-resistant epoxy coatings Feb. 28, 1989
4610700 Adsorbent composition useful in retarding corrosion in mufflers Sep. 9, 1986
4382487 Exhaust muffler of enamelled steel sheet metal and method of producing it May. 10, 1983
4341842 Method of coating automotive parts with silicone compositions Jul. 27, 1982











 
 
  Recently Added Patents
Method for encoding signal, and method for decoding signal
Switch redundancy in systems with dual-star backplanes
System for programming domestic appliances and method for programming assembly-line programmable domestic appliances
Candle holder
Side portion of a circular saw blade
Substituted di-arylhydantoin and di-arylthiohydantoin compounds and methods of use thereof
Secure provisioning of a portable device using a representation of a key
  Randomly Featured Patents
Adhesive sheets
Sulphur-clay prills
Carbon-dioxide-gas absorber, method for separating carbon-dioxide-gas using carbon-dioxide-gas absorber, and apparatus for separating carbon-dioxide-gas including carbon-dioxide-gas absorber
Rotational friction damper
Image data transmission apparatus
System and method for generating electric power from a rotating tire's mechanical energy using piezoelectric fiber composites
Apparatus for polishing the edges of lenses
Apparatus and method for improved parental control of television use
Isolated human ras-like proteins, nucleic acid molecules encoding these human ras-like proteins, and uses thereof
Wireless communication and wireless communication apparatus