Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7363782 | Combination and key operated padlock with indicator A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a ... | 04/29/2008 |
| 7316136 | Bevelled keyway and double lock system for handcuff The handcuff assembly includes a bow pivotally connected to a cheek plate frame assembly which includes a unitized frame that is die stamped from a single metal plate and which is overmolded with a polymer overmold. The unitized frame has interlocking tabs on folded... | 01/08/2008 |
| 7316137 | High visibility double lock assembly for handcuff The handcuff assembly includes a bow pivotally connected to a cheek plate frame assembly which includes a base frame. A removable lockset assembly for locking a pawl relative to ratchet teeth on the bow and including a slideable lock bar is received in the base fram... | 01/08/2008 |
| 7251970 | Cylinder housing arrangement A cylinder housing arrangement, where the cylinder housing encloses a lock cylinder or the like, which comprises a number of locking elements to be arranged by a key, preferably tumbler discs to be turned by a key, which discs in their locked position prevent the tu... | 08/07/2007 |
| 7217059 | Fixing and release systems A connecting means adapted to fix or release a first element (4) and a second element (5) includes a locking pin (1) which is moveable to remote activation means between a locked position. In which leg (8) expends wall (9) into rec... | 05/15/2007 |
| 7197904 | Lockout device A telescoping lockout device for encasing a gate valve, electrical connection, or similar apparatus, for the purpose of preventing unauthorized access and tampering with the apparatus. The lockout device is comprised of two nested half cylinders attached to one anot... | 04/03/2007 |
| 7159422 | Combination and key operated padlock with indicator A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a ... | 01/09/2007 |
| 7134454 | Cap for blocking a pipe A cap for blocking a pipe. The pipe has a rim at an end thereof. The rim defines a pipe aperture. The cap includes a body for blocking the pipe aperture, the body including a bore having a threaded bore portion. A latch is movably mounted on the body for movement be... | 11/14/2006 |
| 7114698 | Quarter turn valve locking device A locking device for quarter turn valves avoids the inadvertent, unauthorized or careless manipulation of quarter turn valves from a desired position thereby minimizing, if not eliminating, the likelihood for damage or injury in an industrial or other setting as a r... | 10/03/2006 |
| 7040342 | Fire hydrant lock A fire hydrant security arrangement includes a center post which is retained on the operating nut of the fire hydrant by a central bolt which is threaded into the operating nut. The center post has a pentagonal recess therein which receives an insert, the insert hav... | 05/09/2006 |
| 7007521 | Combination and key operated padlock with indicator A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a ... | 03/07/2006 |
| 7004701 | Tamper resistant rotably shrouded security cap and tool A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud to rotate freely about the security cap, such that a grip on the shro... | 02/28/2006 |
| 6802338 | Fire hydrant securing arrangements A fire hydrant securing arrangement utilizes a magnetic detent to couple an outer body to a center post so that when a wrench with a permanent magnet is mated with the outer body, the magnetic detent connects the outer body to the center post. The center post has an... | 10/12/2004 |
| 6644075 | Flange locking device A flange junction lock has two identical approximately L-shaped parts, each with a circular nut or bolt cover mounted to a support neck forming one end portion of a shaft having a series of holes along the shaft leading to a free end, the holes being of s... | 11/11/2003 |
| 6634195 | Locking button for semi-tractor pneumatics An anti-theft device for preventing unauthorized release of the air brakes on a vehicle includes a lockable button for the valve stem for the control valve. The lockable button includes a button body, a coupling member, and a lock assembly having a latch ... | 10/21/2003 |
| 6453707 | Device for locking channel opening-closing handle of fluid controller A locking device comprises a stopper support fixed to the body of a fluid controller, and a stopper nonrotatably mounted on the stopper support and engageable with a channel opening-closing handle for preventing the rotation of the handle. The stopper mou... | 09/24/2002 |
| 6394081 | Safety knob for domestic gas apparatuses The present invention is referred to a safety knob for domestic gas apparatuses of the type that includes a gas valve with a stem, and wherein the stem is pushed against the body of the gas valve to open and regulate the gas flow. The improvements compris... | 05/28/2002 |
| 6382001 | Keyless lock for lockout device A locking device for use in connection with an energy controlling apparatus, such as a valve, or regulator, to prevent unauthorized persons from changing the position of a rotatable shaft of the apparatus that controls the amount of energy that flows thro... | 05/07/2002 |
| 6324877 | Lockout device A locking device for use in connection with an energy controlling apparatus, such as a valve, or regulator, to prevent unauthorized persons from changing the position of a rotatable shaft of the apparatus that controls the amount of energy that flows thro... | 12/04/2001 |
| 6209365 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position intially set to some other position. Th... | 04/03/2001 |
| 6205826 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position initially set to some other position. T... | 03/27/2001 |
| 6189350 | Device for locking channel opening-closing handle of fluid controller A locking device comprises a stopper support fixed to the body of a fluid controller, and a stopper nonrotatably mounted on the stopper support and engageable with a channel opening-closing handle for preventing the rotation of the handle. The stopper mou... | 02/20/2001 |
| 6123098 | Valve cover A cover is provided, preferably for securing valves, propellers, door knobs and the like. The cover entails a hinged plate having two sections. Each section contains an indentation which, when the sections are closed, forms an aperture. A pair of arms may... | 09/26/2000 |
| 6089253 | Fire hydrant security systems A fire hydrant security system for mounting on a standpipe of a fire hydrant wherein the hydrant has a mounting surface with holes therethrough and a bonnet mounted on the mounting surface, the bonnet surrounding a valve operating spindle assembly. The sy... | 07/18/2000 |
| 6070442 | Lockout device A locking device for use in connection with an energy controlling apparatus, such as a valve, or regulator, to prevent unauthorized persons from changing the position of a rotatable shaft of the apparatus that controls the amount of energy that flows thro... | 06/06/2000 |
| 6038893 | Lockout device A locking device for use in connection with an energy controlling apparatus, such as a valve, or regulator, to prevent unauthorized persons from changing the position of a rotatable shaft of the apparatus that controls the amount of energy that flows thro... | 03/21/2000 |
| 6000253 | Sliding security override system A security override system for a locked box comprising a first hasp portion mounted within a box and extending through an outer door of the box; a second hasp portion connected to a bracket; the bracket slideably mounted within the box such that the secon... | 12/14/1999 |
| 5966970 | Lockable fuel valve A lockable valve (7) for a fuel line contains a fuel inlet (2) and fuel outlet (3) which communicates with one another via a passage (6) in which is located a spring-biased piston (15) which is responsive to a pressure change in the fuel line. Associated ... | 10/19/1999 |
| 5950462 | Lockout device A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position initially set to some other position. T... | 09/14/1999 |
| 5941103 | Faucet locking device The locking device of the present invention comprises a box and a lid which interlock with each other, wherein each of the box and lid has a recess therein for snugly accommodating a faucet assembly. To operate the locking device of the present invention,... | 08/24/1999 |
| 5839304 | Locking device for a parking brake A locking device for a parking brake on a bus having air brakes prevents accidental release of the parking brake when a sensing switch indicates that the bus should not move (e.g., when the driver is absent from the driver's seat, or a passenger-access do... | 11/24/1998 |
| 5823023 | Locking device for a valve An air regulator valve has a knob which is slidable between a locked position in which it engages teeth on the end of a valve bushing and an unlocked position in which it can be rotated about the valve bushing to rotate the valve shaft. A lock tab is fast... | 10/20/1998 |
| 5664447 | Valve lockout A lockout device to prevent tampering with the manually set position of a valve or regulator or other device having a rotatable shaft for adjusting, for example, the flow of fluid through the device, from a position initially set to some other position. T... | 09/09/1997 |
| 5596893 | Devices for securing fire hydrant valves A magnetic security device for preventing unauthorized opening of fire hydrant valves includes an inner cylindrical member which is fixed to a nut on the valve stem and an outer rotatable member which is coupled to the inner cylindrical member by a magnet... | 01/28/1997 |
| 5205312 | Fire hydrant locking arrangement A fire hydrant locking arrangement which is intended for utilization on a conventional fire hydrant. Moreover, also disclosed is a method of producing a fire hydrant locking arrangement through a heat-meltable locking ring which will inhibit the unauthori... | 04/27/1993 |
| 5201201 | Lockable sealer for end of threaded pipe A waterlock comprises a threaded cap nut (11) which fits tightly over the threaded end of a water pipe (15) or faucet (21). A sleeve (10) fits over the cap nut to prevent access to the nut. The sleeve is free to rotate about the cap nut such that turning ... | 04/13/1993 |
| 5177988 | Security lock mechanism incorporating hydraulic dead locking A locking system for a dead bolt and slam bolt locking of a movable door to a stationary keeper comprises a lock housing defining a cylinder chamber having an opening alignable with a keeper recess in the closed position of the door. A spherical locking b... | 01/12/1993 |
| 5090223 | Car theft deterrent to deflate tire A substantially "U" shaped break-away-bar assembly is constructed to a size and configuration to fit about a portion of an air-inflated vehicle tire. A key actuated lock latching assembly is carried by the break-away-bar assembly and includes an internall... | 02/25/1992 |
| 5074134 | Lockable adjustment mechanism A lockable adjustment mechanism (1) for an adjustable component (2), the adjustment mechanism (1) comprising a first rotatable body portion (3) adapted in use to receive and be attached to a threaded elongated adjustment member (4) of the adjustable compo... | 12/24/1991 |
| 5072750 | Fire hydrant closures Improvements relating to fire hydrant closures are disclosed in which a cap-shaped cover for the outflow port from a fire hydrant, and a tool for locking and unlocking the cap on the hydrant, is provided. The cap includes a septum-like strong plate which ... | 12/17/1991 |
