Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 367/761
Name: Communications, electrical: acoustic wave systems and devices >

Sub-classes under this class:

Class Number Class Name Patents
367/1 Sonar counter-measures 129
367/117 Plural transmitters to receiver or transmitter to plural receivers 108
367/118 Distance or direction finding 213
367/12 Beam stabilization or compensation 58
367/13 Testing, monitoring, or calibrating 335
367/131 Underwater system 302
367/135 Receiver circuitry 273
367/137 Transmitter systems 164
367/14 Seismic prospecting 130
367/140 Signal transducers 342
367/191 Miscellaneous 103
367/197 Selective (e.g., remote control) 103
367/2 Transponders 78
367/7 Acoustic image conversion 219
367/81 Wellbore telemetering 137
367/86 Borehole testing 93
367/87 Echo systems 234
367/900 Sonar time varied gain control systems 60
367/901 Noise or unwanted signal reduction in nonseismic receiving system 210
367/902 Speed of sound compensation 92
367/903 Transmit-receive circuitry 80
367/904 Doppler compensation systems 55
367/905 Side lobe reduction or shading 84
367/906 Airborne shock-wave detection 86
367/907 Coordinate determination 99
367/908 Material level detection, e.g., liquid level 213
367/909 Collision avoidance 165
367/910 Portable sonar devices 104
367/911 Particular well-logging apparatus 141

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Multi-carrier operation for wireless systems
Methods and compositions for improving photodynamic therapy through administration of lipids
Determining ill conditioning in square linear system of equations
Method and apparatus for reducing cost of optical amplification in a network
Pattern transfer apparatus and method for fabricating semiconductor device
Solar cell with hyperpolarizable absorber
Voltage regulators with improved wake-up response
  Randomly Featured Patents
Methods for diabetes susceptibility assessment in asymptomatic patients
Caladium plant named `Florida White Ruffles`
Keyway plug
Tire tread
Viscoelastic resin for vibration damping material and composition containing the same
Multi-grating biosensor for label-independent optical readers
Locking device for folding knife, tool, etc.
Digital image archiving and retrieval in a mobile device system
Medical instrument for analyzing the middle ear
Pivotable, stowable, keyboard shelf for apron banded table