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Class Information
Number: 251/296
Name: Valves and valve actuation > Plural motions of actuator
Description: Subject matter wherein the actuator has more than one character or direction of motion, as rotating and reciprocating, horizontal and vertical, which motions are performed in sequence in the same valve actuating operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6978981 |
Taps for controlling liquid flow |
Dec. 27, 2005 |
| 6932108 |
Pressure reducer |
Aug. 23, 2005 |
| 6661702 |
Double gate DRAM memory cell having reduced leakage current |
Dec. 9, 2003 |
| 6601824 |
Single shaft, dual cradle vacuum slot valve |
Aug. 5, 2003 |
| 6390448 |
Single shaft dual cradle vacuum slot valve |
May. 21, 2002 |
| 6340148 |
Valve handle for preventing a valve from being accidentally turned on |
Jan. 22, 2002 |
| 6282080 |
Semiconductor circuit components and capacitors |
Aug. 28, 2001 |
| 6034390 |
Multi-bit trench capacitor |
Mar. 7, 2000 |
| 5531037 |
Water proportioning device for steam irons |
Jul. 2, 1996 |
| 5407176 |
Back-seating of rotary valve stem |
Apr. 18, 1995 |
| 4860786 |
Shut off for a gas line |
Aug. 29, 1989 |
| 4844415 |
Valve |
Jul. 4, 1989 |
| 4513823 |
Cylindrical gate valve apparatus and method |
Apr. 30, 1985 |
| 4143674 |
Valve for continuously and automatically supplying furnaces with molten metal |
Mar. 13, 1979 |
| 4093000 |
Rising stem valve position indicator |
Jun. 6, 1978 |
| 4032107 |
Plug valve |
Jun. 28, 1977 |
| 3986700 |
Actuator for yard hydrant |
Oct. 19, 1976 |
| 3939950 |
Fluid operated brakes and reversing clutches for winch drums |
Feb. 24, 1976 |
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