Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7281420 | Tire pressure gauge A tire pressure gauge includes a casing, conduits and a pressure indicator. The conduits are in fluid communication with one another, and are connectable to respective valves of tires of a vehicle. The pressure indicator is operable to provide an indication that is ... | 10/16/2007 |
| 7260943 | Apparatus and method for servicing a coolant system An apparatus, system and method for servicing a coolant system, such as, an automobile air conditioner are disclosed. In one embodiment, the apparatus may comprise a device for measuring a parameter of the coolant system; and means for selectively switching between ... | 08/28/2007 |
| 7030743 | Tire pressure indicator providing a visual indication of tire pressure An tire pressure indicator operative to provide a first visual indication if the tire pressure within a tire to which the indicator is coupled is below a first predetermined pressure and a second different visual indication if the tire pressure is above a second pre... | 04/18/2006 |
| 6911903 | Tire pressure indicator A tire pressure indicator for coupling with a valve stem of a tire. The tire pressure indicator provides a first visual indication in the event that the tire pressure is below a first threshold limit and a second visual indication if the tire pressure is above a sec... | 06/28/2005 |
| 6401608 | Printing press with perfecting station A printing press including a frame and a central impression drum rotatably supported on the frame. A plurality of first side printing stations is circumferentially spaced about the central impression drum and in communication therewith. Each of the plural... | 06/11/2002 |
| 5878774 | Tyre inflation gun A tire inflation gun has a valve having several positions. When fully closed, the gun does not fill or empty a tire, but allows the tire pressure to be measured. When the valve is partially opened, the tire pressure can still be measured, but air is allow... | 03/09/1999 |
| 5819779 | Tire valve cap for measuring air pressure In the state where a tire valve cap body has been fixedly screwed onto a valve mouthpiece, a top cover is pushed to open a tire valve, allowing introduction of a tire air pressure. A piston is slidably incorporated in a cylinder chamber defined within the... | 10/13/1998 |
| 5778923 | Anti-seepage self-gauging inflation valve system An anti-seepage, self-gauging inflation valve system includes an inlet port and an outlet port; a filler valve for introducing fluid under pressure from the inlet to the outlet port; a vent structure; an isolation chamber communicating with the vent struc... | 07/14/1998 |
| 5307674 | Automatic equipment for pneumatic calibration A pneumatic calibration device is provided including a body having an air inlet port and an air outlet port, a pressure gauge extending from the body, and a mechanism for adjusting pressure disposed within the body. The pressure adjusting mechanism commun... | 05/03/1994 |
| 4852624 | Tire inflation device for emergencies A flat tire inflation device for emergencies is provided which includes a flexible hose a supply chuck that is temporarily securable to a inflated tire by means of a spring loaded retaining clip and having a pressure gauge on the inflation chuck at the ot... | 08/01/1989 |
| 4819686 | Pressure drop indicating valve cap for pneumatic tires A valve cap adapted to be screwed onto the valve of a pneumatic tire gives a pressure drop indication. To this end the valve cap comprises a deflectable diaphragm which separates the housing interior into a first chamber adjacent a transparent section of ... | 04/11/1989 |
| 4562874 | Tire pressure control system A tire pressure control system having a pressure switch installed in a rim, which pressure switch, as part of a tuned circuit, damps, across an air gap, an HF transmitter, installed in a wheel web and having downstream analysis electronics, the pressure s... | 01/07/1986 |
