Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members

Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members

US Patent 4884820 · Granted Dec 5, 1989

Estimated economic value: $6,250,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Enhanced efficiency ethanol and sugar conversion processes2017
System and method for characterizing the health of a rechargeable battery2015
Method of shielding effluents in spray devices2006
Adjustable die for a fluid dispenser and method2004
Method and apparatus for dispensing material onto substrates2002
Gas phase polymerization process2001
Fluidized bed reactor and polymerization process2001
Rotary seal member coated with a chromium carbide-age hardenable nickel base all1999
Melting apparatus with material release sensing system1997
Hearth roll1995
Process for forming a refractory oxide coating1995
Powder feed composition for forming a refraction oxide coating, process used and1994