Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/630.11
Name: Fluid handling > Systems > Sequentially progressive opening or closing of plural valves > Pressure equalizing or auxiliary shunt flow > One valve seats against other valve (e.g., concentric valves) > Locomotive throttle
Description: Systems which are disclosed, or structurally limited, for use in steam locomotives to control the feeding of steam to the motor means.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Parallel power inverter motor drive system
Image playback device and method and electronic camera with image playback function
Identifying conceptually related terms in search query results
Process for the preparation of morphinane analogues
Adjustable box extender
Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof
Method for switching between virtualized and non-virtualized system operation
  Randomly Featured Patents
Harness device, kit and method of using same
Dental X-ray patient identification marking device
Alternating quadratures differential binary phase shift keying modulation and demodulation method
Opto-magnetic recording medium
Pipe wall segment and pipe having sidewall
Method and apparatus for using a browser to configure a software program
Assay device and method using a signal-modulating compound
Magnetic disk device and suspension having multiple arm portions of varying lengths
Line production management system
Thermal head and thermal printer