Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8156887 | Flap malfunction detection system According to an embodiment, a flap malfunction indicator assembly for notifying an observer making a walk-around inspection of an aircraft of a malfunction of one or more connection points coupling a flap assembly to an aircraft wing includes a support mounted to th... | 04/17/2012 |
| 8151726 | Traphouse safety flag The traphouse safety flag is an electromechanical safety device mounted at the roofline of a traphouse intended to replace the traditional safety cone or cloth flag that is commonly used to indicate to the shooters that the traphouse is occupied and shooting cannot ... | 04/10/2012 |
| 7861665 | Pipeline pig signal with adjustable mounting An improved signal with adjustable mounting to allow the signal to be oriented to face any direction, without rotating the pressure-containing plug, and with integral seal to protect the outer threads of the mounting nipple. ... | 01/04/2011 |
| 7752994 | Indicating instrument To provide an indicating instrument capable of reducing the number of parts and improving the positioning precision. An indicating instrument 1 comprises: an indicator 3; said dial 4 disposed around said indicator 31 an indicating needle ... | 07/13/2010 |
| 7546815 | Actuated warning flag for boating A pneumatically activated signal flag is used in combination with a first watercraft to provide a visual warning to other watercraft operators of various events which may be occurring around the first watercraft. For example, the signal flag may indicate that a swim... | 06/16/2009 |
| 7428879 | Tower flag actuator A safety device automatically raises and lowers a warning flag over a boat based on the tension applied to a line towed by the boat. For the device, the tow line is anchored to a tower mounted on the boat. Further, an arm is pivotably connected to the tower for move... | 09/30/2008 |
| 7305730 | Freight loading bumper This is a bumper system which protects the area of the dock on a warehouse from unnecessary damage by trailers, forklifts and the like. The devices will be secured to the front of a loading dock and will have a rubber bumper to absorb the shock. The device is hinged... | 12/11/2007 |
| 7093694 | Release hold mechanism with gravity weighted indicator flag The present invention discloses a hand brake mechanism having a gravity based release hold mechanism with a visual indicator to prevent unwanted application of the railcar brakes and indicate such release hold condition. The release hold mechanism comprises a gravit... | 08/22/2006 |
| 7082890 | Gauge pointer with integrated shape memory alloy actuator An actuated gauge pointer that includes a shape memory alloy element configured to move the gauge pointer when activated is provided. The actuated gauge pointer includes a first shape memory alloy element disposed within the perimeter of the gauge pointer housing. A... | 08/01/2006 |
| 7044077 | Mechanical warning device The mechanical signaling device is used for indicating when contaminates are present in water in a manhole so that the contaminated can be cleaned out of the manhole before the contaminates are released into the environment. The mechanical signaling device has a fla... | 05/16/2006 |
| 6976449 | File marking device A file marker device adapted for use with a folder. The folder to which the device can be affixed comprises a front flap having a first top edge, a rear flap connected to the front flap by a folder bottom, the rear flap having a second top edge. Hanging folders ofte... | 12/20/2005 |
| 6962126 | Automatic rising caution flag An automatic rising flag assembly includes a bracket connected to a water vessel and an elongated flagpole. The assembly further includes a mechanism connected to the water vessel and the bracket so that the flagpole can be pivoted and maintained between up and down... | 11/08/2005 |
| 6883460 | File marking device A file marker device adapted for use with a folder. The folder to which the device can be affixed comprises a front flap having a first top edge, a rear flap connected to the front flap by a folder bottom, the rear flap having a second top edge. Hanging folders ofte... | 04/26/2005 |
| 6779479 | Reach arm for mail signal apparatus A reach arm (13) with opening to facilitate slide with arm/door bolt (24)protrudes out from mail signal apparatus when door is opened and after it is closed. Pushing protruding reach arm lowers/resets signal apparatus. ... | 08/24/2004 |
| 6624608 | Indicating instrument for a vehicle In an indicating instrument for a vehicle including a step motor and a stopper unit for stopping a pointer at a zero position, a memory for pre-storing a zero-level electric angle as a correction value at which zero-return alternating signal becomes a zer... | 09/23/2003 |
| 6606961 | Pointer instrument In a pointer-type instrument (1) having a pointer with a pointer shaft (5) that deflects a pointer vane (2), power is supplied to a light source (3), which is connected to the pointer for rotation in common, by a flexible, spiral film (11) provided with c... | 08/19/2003 |
| 6520108 | Shaft arrangement of indicating instrument An indicating instrument includes a dial plate, a casing disposed behind the dial plate, a drive control section disposed in the casing and a rotary shaft driven by the drive control section. The rotary shaft is comprised of a pair of thin shafts respecti... | 02/18/2003 |
| 6470745 | Dispensers for powdered baby milk A dispensing spoon comprising a handle, a scoop having an open mouth formed at one end of the handle, a powder leveling means in the form of a wiper part which is coupled integrally and flexibly to an opposite end of the handle remote from the scoop and w... | 10/29/2002 |
| 6334260 | Strata movement indicators A strata movement indicator suspended within a borehole 1 is provided with a drive element 6 and a reference element 12, relative movement between the elements being translated into rotary motion to give a visual indication on an indicator 10, 24 on the r... | 01/01/2002 |
| 6295946 | Signaling device for use with a container A signaling device is mated with a conventional container to develop a change in state for indicating that the container has been accessed. In conjunction with a refuse container having a body and a cover connected to the body of the container by a hinge,... | 10/02/2001 |
| 6267494 | Warning system for a charge hopper A warning system is disclosed for use on a concrete mixer to indicate that a charge hopper 28 is in a raised position. Such concrete mixers include an air supply, a mixing drum having an access port, a frame supporting the mixing drum, and a charge hopper... | 07/31/2001 |
| 6192825 | Device for detecting rodents A device for the detection of rodents includes a generally hollow container having an aperture to allow entry into the container and exit from the container by a rodent, and an indicator to indicate that a rodent has exited the container through the apert... | 02/27/2001 |
| 6145467 | Magnetic field indicator A magnetic field indicator mounts to an MRI system to indicate the presence of the polarizing magnetic field. An indicator wheel is mounted to a frame and is rotatable between an energized orientation in which a red colored region is seen through a window... | 11/14/2000 |
| 6045211 | Sensor and ink jet recorder including same A detector detects the presence of a roll of a strip-like material within a cassette in a maintenance unit used in an ink-jet printer. The detector has a first movable part to rotate and press a switch when the cassette is not positioned at the predetermi... | 04/04/2000 |
| 5870967 | Vehicle driver alerting system An alert system for alerting the driver of a vehicle when a seatback is unlatched includes a seatback movable between latched and unlatched positions, and a latch for retaining the seatback in the latched position. A handle is connected to the latch and i... | 02/16/1999 |
| 5759492 | End of life monitor for a gas filter An end of life monitor apparatus for a filter that removes an undesirable gas including: (a) an elastic material, which degrades in the presence of the undesirable gas; (b) a support member coupled to the elastic material; and (c) an indicator component m... | 06/02/1998 |
| 5711245 | Method and apparatus for temporarily extended alignment guide for vehicle fluid outlet port An alignment guide for indicating the location of a waste water outlet port of a large vehicle, such as a motor home, which is not directly visible to the driver of the vehicle. This device is comprised of a brightly-colored indicator flag which is attach... | 01/27/1998 |
| 5697755 | Forklift level indicator The present invention provides a mechanical forklift level indicator. The level indicator includes a first arm pivotally connected at a first end to a body of the forklift and a second arm pivotally connected at a first end thereof to the forklift mast as... | 12/16/1997 |
| 5657716 | Signaling device for a dock leveler system A signaling system includes a rotatable arm connected to a dock. One end of the arm has secured thereto two signaling paddles of distinct visual indicia. The other end of the arm is biased against the underside of a lip plate of a dock loader. As the lip ... | 08/19/1997 |
| 5649469 | Stroke indicator for an air-operated combination diaphragm spring brake An air-operated combination diaphragm spring brake has a service chamber in tandem with a spring chamber. The service chamber being separated into an upper and lower section by a first elastomeric diaphragm. The spring chamber is separated into upper and ... | 07/22/1997 |
| 5601338 | Seat structure with adjustable suspension A seat particularly suitable for industrial applications having a hinged bottom supported upon springs for adjustably resiliently supporting the occupant to absorb vibrations and impact. The springs impose a resilient biasing force upon the seat bottom st... | 02/11/1997 |
| 5579716 | Device for indicating the position of a tractor with respect to a crop row or planter mark A device for indicating the relative position of a tractor with respect to a crop row or planter mark including a vertically disposed, hollow support post secured to the forward end of the tractor at the centerline thereof. A rotatable shaft is mounted in... | 12/03/1996 |
| 5568786 | Checkmate communication system This specification discloses a communication device used by a patron to gain the attention of a host in the food service industry. A clip is used to clip onto a conventional checkholder (not shown) . Adhered to the clip is a platform which acts as a base.... | 10/29/1996 |
| 5550531 | Motorized boat-mounted signaling device for water skiers A signaling device for raising a warning flag or pennant deployed on a motor boat to indicate that a water skier towed by the boat has fallen is disclosed which reliably raises a flag either manually when triggered by the motor boat operator or passenger,... | 08/27/1996 |
| 5540181 | Golf wind indicator apparatus A flag for indicating wind velocity and alerting surrounding golfers to a presence of an individual. The inventive device includes a mounting assembly for securing to a support portion of a golf cart or golf bag. A flag assembly projects from the mounting... | 07/30/1996 |
| 5507245 | Clearance indicating device This clearance indicating device has a pivotal rod for contacting an automobile when the latter is driven close to a wall surface. The pivotal rod causes a sliding rod to slide upwards from a support frame. The closer the automobile is positioned to the w... | 04/16/1996 |
| 5479820 | Cryogenic gauge A gauge for measuring fluid level, especially cryogenic fluids, having a head assembly with a passageway to receive the upper portion of a lift rod assembly. The lift rod assembly includes a spring attached at the upper end to the head and at the lower en... | 01/02/1996 |
| 5425329 | Bin fill indicator Fill indicator apparatus (10) for use in a feed bin (B) to visually indicate the level to which the bin is filled witch feed (F). A first visual indicator (12) includes a first flag (18) positioned externally of the bin and movable linearly along the side... | 06/20/1995 |
| 5396035 | Method and apparatus for mechanical force/weight output A method and apparatus for indicating force, weight in particular, is done mechanically. The method has the steps of engaging the force with a base plate, bending the plate with force, rotating an indicator plate with respect to the base plate and about a... | 03/07/1995 |
| 5236348 | Printer paper status indicator An imprinting mechanism includes a sheet tray and comprises a housing and a spring bias device within the housing. A sheet stack support is positioned within the housing and in contact with the spring bias, the spring bias forcing the sheet stack support ... | 08/17/1993 |
