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Class Information
Number: 292/256.6
Name: Closure fasteners > Clamps > Ring
Description: Devices in which the clamp is in the form of a ring.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597367 |
Closure ring assembly for steel drums |
Oct. 6, 2009 |
| 7213424 |
Rotation restricted locking apparatus and method |
May. 8, 2007 |
| 7140211 |
Tamper detection security for a tank trailer |
Nov. 28, 2006 |
| 6598330 |
Sling attachment hardware for firearms |
Jul. 29, 2003 |
| 6533288 |
Flange seal assembly |
Mar. 18, 2003 |
| 6443507 |
Clamping straps with safety mechanism for container covers |
Sep. 3, 2002 |
| 6439010 |
Ring-type meter lock |
Aug. 27, 2002 |
| 6435576 |
Closure ring assembly for an open-head drum |
Aug. 20, 2002 |
| 6406074 |
Destructible locking device |
Jun. 18, 2002 |
| 6401958 |
Lid closure system |
Jun. 11, 2002 |
| 6367851 |
One piece meter locking ring for use with multiple locks |
Apr. 9, 2002 |
| 6126213 |
Container clamping ring with improved lever and thumb latch |
Oct. 3, 2000 |
| 6066237 |
Safe and semi-automatic removal of heavy drum closures |
May. 23, 2000 |
| 6032989 |
Meter locking ring for use with multiple locks |
Mar. 7, 2000 |
| 5908210 |
Automated flange retaining clamp with redundant fasteners |
Jun. 1, 1999 |
| 5876568 |
Safe and semi-automatic removal of heavy drum closures |
Mar. 2, 1999 |
| 5853207 |
Device for joining and sealing together two enclosures isolated from an external environment |
Dec. 29, 1998 |
| 5836627 |
Housing and securing device |
Nov. 17, 1998 |
| 5829624 |
Protective shoe for open top metal containers |
Nov. 3, 1998 |
| 5700043 |
Disconnectable connecting device for two components with a non-circular outline, particularly oval |
Dec. 23, 1997 |
| 5638706 |
Securing mechanism |
Jun. 17, 1997 |
| 5542722 |
Tamper resistant meter locking ring |
Aug. 6, 1996 |
| 5538299 |
Housing and securing device |
Jul. 23, 1996 |
| 5529353 |
Sealing device for electrical meter |
Jun. 25, 1996 |
| 5499159 |
Mating ring for a watthour meter cover |
Mar. 12, 1996 |
| 5421473 |
Heat resistant plastics container closure |
Jun. 6, 1995 |
| 5378030 |
Keyless locking device and method |
Jan. 3, 1995 |
| 5333747 |
Method and apparatus for securing a draw band to a drum |
Aug. 2, 1994 |
| 5329971 |
Closet flange test plug |
Jul. 19, 1994 |
| 5207463 |
Fuel sender locking ring |
May. 4, 1993 |
| 5121953 |
Locking ring assembly for utility meters |
Jun. 16, 1992 |
| 5102172 |
Fuel sender locking ring |
Apr. 7, 1992 |
| 5048881 |
Lockable seal ring for an electrical meter |
Sep. 17, 1991 |
| 5001912 |
Lockable meter clamp ring |
Mar. 26, 1991 |
| 4828300 |
Retaining ring |
May. 9, 1989 |
| 4805791 |
Band with lock ring for tamper-evident cap |
Feb. 21, 1989 |
| 4789077 |
Closure apparatus for a high pressure vessel |
Dec. 6, 1988 |
| 4762223 |
Tying and storage ring for a reel of recording tape |
Aug. 9, 1988 |
| 4702093 |
Lockable meter clamp ring |
Oct. 27, 1987 |
| 4699063 |
Explosive practice hand grenade and method of manufacture thereof |
Oct. 13, 1987 |
| 4674778 |
Locking ring for electrical measuring device |
Jun. 23, 1987 |
| 4611478 |
Locking ring assembly |
Sep. 16, 1986 |
| 4565297 |
High-pressure vessel with inner closure |
Jan. 21, 1986 |
| 4524729 |
Primary manway closure redundant restraint |
Jun. 25, 1985 |
| 4485740 |
Coupling assembly for joining tubular sections |
Dec. 4, 1984 |
| 4470515 |
Steam pressure cooker fastening means |
Sep. 11, 1984 |
| 4457445 |
Valve cap tamper-proof cover |
Jul. 3, 1984 |
| 4438866 |
Prestressed dome closure flange |
Mar. 27, 1984 |
| 4434909 |
Pressure cooker interlock |
Mar. 6, 1984 |
| 4415190 |
Lockable ring assembly for electric meter |
Nov. 15, 1983 |
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