Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7147213 | Gate stop A gate stop that extends from the rear lip across the back and side of the gate with a cantilevered portion diverging from the gate across the closure fence post. The gate stop has a plurality of apertures for the placement therein of fasteners to secure the gate st... | 12/12/2006 |
| 7017959 | Portable security device for doors A portable door locking device. In one embodiment, a door lock may include a base plate configured with a locking wedge and a driver wedge. The base plate may be formed in a U-shaped fashion, thus defining a cut-out region sized to receive the locking and driver wed... | 03/28/2006 |
| 7000955 | Portable casement window securing device A compact, portable device for effectively locking a crank window in a user selected position. The body of the device can be selectively secured to or released from a window crank. When secured to the window crank, the device limits rotation of the crank by mechanic... | 02/21/2006 |
| 6676109 | Rotary valve A rotary valve includes a main valve body that includes a body, a seat disposed in the body and a valve body disposed in the body so that the valve body is rotatable through the seat that are modulated as a common component part. A stem pierces the body a... | 01/13/2004 |
| 6604764 | Safety latch An improved safety latch is disclosed for assembly and use upon a cabinet frame or like facing member to secure a drawer or cabinet door panel in a completely closed position without need for an invasive screw attachment. The present safety latch includes... | 08/12/2003 |
| 5566993 | Door locking device A device is provided for the locking of one or more doors. In particular, the device comprises a strap, a door engaging member, and a frame. The strap has a first end which includes an outwardly extending projection for engagement with a door latch recess... | 10/22/1996 |
| 5531491 | Security door lock The present invention provides a new and improved portable door lock that can be used in conjunction with a door, a door jamb and a striker plate. The portable door lock comprises a bolt having a first end, a second end and an intermediate extent therebet... | 07/02/1996 |
| 5515704 | Security lock for a dead bolt lock assembly A security lock (10) including an arm (14) and a mounting member (12) is provided for use with a dead bolt lock assembly having a lock actuator on a first side (34) of a door (32) and a turn piece (36) on a second side (38) of the door (32). When the secu... | 05/14/1996 |
| 5135272 | Traveler's security bolt A traveler's security bolt for securing the door to a room or building against unauthorized entry. The security bolt engages the strike plate of a door frame and operatively abuts the door and its associated frame from the interior of the room to prevent ... | 08/04/1992 |
| 4917422 | Portable latch door lock A portable latch door lock having a cable which extends around the door knob to balance the thrust of an opening door as shown and described. The latch includes a pin within the body which clamps the cable in a hole in the body when the mechanism is in it... | 04/17/1990 |
| 4647105 | Opening roof for a motor vehicle An opening roof assembly for a motor vehicle comprises a rigid panel adapted to close an opening in the vehicle roof with the panel supported at each side by front and rear guide means on respective guide tracks extending along each side of an opening in ... | 03/03/1987 |
| 4429913 | Sleeve type door securing device One end of a thin strong elongated member is hooked into the opening of a striker plate in a door jamb and when the door is closed a sleeve around the elongated member is brought to bear against the door jamb and the door to securely hold the door closed.... | 02/07/1984 |
| 4406488 | Quick release door lock A quick release door lock is disclosed which includes a unitary body of thin, flat, hardened steel. The body terminates at one end in an integral tongue and at the other in an integral bent flange. A unitary, generally U-shaped slide is movable along the ... | 09/27/1983 |
| 4285535 | Portable auxiliary door lock A portable auxiliary locking device for securing an inwardly opening door of a room or building against unauthorized entry is disclosed. The locking device includes a threaded rod which terminates in an axially extending plate region having a hook-like fl... | 08/25/1981 |
| 4200317 | Door fastener A portable door fastener is disclosed which includes a body of thin, sturdy material which can be inserted between a door and a door jamb and which includes a projection to engage in the jamb latch recess. The rearward end of the thin body is provided wit... | 04/29/1980 |
