Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/431
Name: Abrading > Attachment > Valve or valve seat abrader > Orbital tool
Description: Attachment in which the grinding tool revolves about a center outside itself.










Patents under this class:

Patent Number Title Of Patent Date Issued
5897429 Injection molding seat lapping device Apr. 27, 1999
5882250 Valve refacing tool Mar. 16, 1999
5800253 Disc streak pattern forming method and apparatus Sep. 1, 1998
5690542 Disc streak pattern forming method and apparatus Nov. 25, 1997
5259144 Planetary-type lapping device for finish-grinding the valve seat of a safety relief valve Nov. 9, 1993
5022192 Conduit grinding apparatus Jun. 11, 1991
5001871 Machine for precision machining, with a rod for the determination of the practical mean axis of a hole of cylindrical general contour Mar. 26, 1991
4923343 Machine tool May. 8, 1990
RE32873 Apparatus for grinding and lapping annular sealing faces Feb. 21, 1989
4691480 Valve seat grinding apparatus Sep. 8, 1987
4662123 Grinder apparatus May. 5, 1987
4549373 Apparatus for grinding and lapping annular sealing faces Oct. 29, 1985
4464867 Radially adjustable lap Aug. 14, 1984
4388782 Handhole seat resurfacing tool for naval pressure fired boilers Jun. 21, 1983
4106880 Portable field machine for cutting, grinding and lapping valve seats Aug. 15, 1978
4050836 Portable field machine for cutting, grinding and lapping valve seats Sep. 27, 1977











 
 
  Recently Added Patents
Weak acid recovery system for ethanol separation processes
Knee guard
Engineered enzymes with methionine-gamma-lyase enzymes and pharmacological preparations thereof
System, apparatus, and method for fast startup of USB devices
Radio frequency splitter
Methods for increasing efficacy of FOLR1 cancer therapy
Etching method, etching apparatus, and computer-readable recording medium
  Randomly Featured Patents
Pharmaceutical combination of 5-fluorouracil and derivate of 1,4-dihydropyridine and its use in the treatment of cancer
Pressurized container
Predicted reference information generating method, video encoding and decoding methods, apparatuses therefor, programs therefor, and storage media which store the programs
Device for producing cross-finned pipes
Load identification system and method of assembling the same
Hydraulic lash adjuster
Resist material
Manufacturing method of SOI substrate
Motorcycle warning lights visor
Fishing reel with adaptable line guide roller