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Class Information
Number: 137/429
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Rectilinearly traveling float
Description: Apparatus in which the float is guided or so constructed and mounted that its path of movement will necessarily be along a straight line.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597114 |
Venting device |
Oct. 6, 2009 |
| 7571739 |
Condensate removal device |
Aug. 11, 2009 |
| 7559337 |
Retractable float for a ballcock valve |
Jul. 14, 2009 |
| 6966334 |
Float valve for a christmas tree watering system |
Nov. 22, 2005 |
| 6895990 |
Water heater fail safe apparatus |
May. 24, 2005 |
| 6874529 |
Level limit valve |
Apr. 5, 2005 |
| 6679286 |
Ball tap with a water level switch |
Jan. 20, 2004 |
| 6619312 |
Flow control mechanism for an eaves trough downspout |
Sep. 16, 2003 |
| 6615863 |
Toilet fill valve tank isolation |
Sep. 9, 2003 |
| 6550488 |
Hyperwash dishwasher |
Apr. 22, 2003 |
| 6523562 |
Plumbing flood control system |
Feb. 25, 2003 |
| 6354326 |
Toilet fill valve with improved noise abatement |
Mar. 12, 2002 |
| 6253785 |
Automatic leak shutoff device |
Jul. 3, 2001 |
| 6202676 |
Magnetic liquid control for boiler feedwater receivers |
Mar. 20, 2001 |
| 5971009 |
Dual containment assembly |
Oct. 26, 1999 |
| 5937455 |
Electrically operated toilet water inlet valve system having a variable fill level |
Aug. 17, 1999 |
| 5887614 |
Overfill prevention device for storage tanks |
Mar. 30, 1999 |
| 5862830 |
Water replenishing plug for a battery containing a liquid electrolyte |
Jan. 26, 1999 |
| 5662460 |
Downhole pneumatic pump with variable bouyant actuator |
Sep. 2, 1997 |
| 5618410 |
Automatically draining vacuum apparatus |
Apr. 8, 1997 |
| 5567283 |
Caustic concentration regulator for chlorine generators |
Oct. 22, 1996 |
| 5544685 |
Fill controller for liquified gas container and apparatus for filling tank using same |
Aug. 13, 1996 |
| 5518024 |
Overfill prevention device for storage tanks |
May. 21, 1996 |
| 5456409 |
Method and device for maintaining a fluid at a working pressure in a substantially closed fluid circulation system |
Oct. 10, 1995 |
| 5406993 |
Safety tank apparatus for liquid storage |
Apr. 18, 1995 |
| 5365969 |
Float with skirt to prevent leakage due to oversudsing |
Nov. 22, 1994 |
| 5309939 |
Safety device for water-conducting household appliances |
May. 10, 1994 |
| 5309937 |
Float valve for filling systems, in particular, for filling electric traction batteries |
May. 10, 1994 |
| 5284191 |
Safety tank apparatus for liquid storage |
Feb. 8, 1994 |
| 5265656 |
Safety tank apparatus for liquid storage having fire resistant construction |
Nov. 30, 1993 |
| 5246045 |
Automatic refrigerant tank volume fill control apparatus |
Sep. 21, 1993 |
| 5146947 |
Condensate drainage for gaseous fuel fired condensation boilers |
Sep. 15, 1992 |
| 5137064 |
Safety tank apparatus for liquid storage |
Aug. 11, 1992 |
| 5090443 |
Fluid level control float valve |
Feb. 25, 1992 |
| 5072751 |
Valve assembly |
Dec. 17, 1991 |
| 5067517 |
Quantitative liquid level controlling device |
Nov. 26, 1991 |
| 5025827 |
Structure of fluid level controller of piping type |
Jun. 25, 1991 |
| 5018550 |
Dishwasher overfill protection device |
May. 28, 1991 |
| 5005615 |
Safety tank apparatus for liquid storage |
Apr. 9, 1991 |
| 4909274 |
Valve apparatus |
Mar. 20, 1990 |
| 4903724 |
Liquid level control system |
Feb. 27, 1990 |
| 4877049 |
Pneumatic, water leakage safety device for washing machines |
Oct. 31, 1989 |
| 4865073 |
Liquid level control for refrigeration system |
Sep. 12, 1989 |
| 4836239 |
Water cooling tower and water level control system therefor |
Jun. 6, 1989 |
| 4830042 |
Liquid level control float valve |
May. 16, 1989 |
| 4771804 |
Liquid level sensing and control assembly |
Sep. 20, 1988 |
| 4741358 |
Liquid level control float valve |
May. 3, 1988 |
| 4714088 |
Water saving float for a water tank |
Dec. 22, 1987 |
| 4703653 |
Ballcock float structure |
Nov. 3, 1987 |
| 4678001 |
Pump prime maintainer |
Jul. 7, 1987 |
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