Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 181/404
Name: Acoustics > Hobby craft engine muffler
Description: Disclosures of toy engines or hobby craft-type engines with sound attenuating mufflers.










Patents under this class:

Patent Number Title Of Patent Date Issued
8400879 Seismic sensor array devices and methods of data collection Mar. 19, 2013
5611409 Exhaust muffler for small internal combustion engine Mar. 18, 1997
4858722 Self-contained muffler attachment and conversion kit for small two-cycle engines Aug. 22, 1989
4090583 Streamlined monolithic internal combustion engine muffler May. 23, 1978
4031979 Adjustable muffler for model aircraft type engines Jun. 28, 1977











 
 
  Recently Added Patents
Wound dressing with a discontinuous contact layer surface
Liquid formulations of carboxamide arthropodicides
Paging of a user equipment (UE) within a wireless communications system
Elementary network description for efficient link between neuronal models and neuromorphic systems
Method for driving electrophoretic display device, electrophoretic display device, and electronic device
DRAM refresh method and system
Efficiently emulating computer architecture condition code settings without executing branch instructions
  Randomly Featured Patents
Intraocular lens with accommodative properties
Apparatus and method for producing semiconductors
Bi-directional ammunition lifter
Vehicle monitoring and reporting system and method
Corrosion resistant cooled acousto-optic devices
Mobile communication system, base station apparatus, user apparatus and method
Method for enabling communication between nodes
Cover for a computing device with a front fan
Combined mailbox and mail arrival indicator
Method of forming gaskets by injection and compositions for use therein