"Man will not fly for 50 years."
Wilbur Wright ; 1901
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 |
| 4388673 | Variable light beam flashlight and recharging unit The flashlight of the invention includes an improved mechanism for selectively varying the light beam intensity and area. The mechanism includes a cam member, and abutting head and outer switch housing shoulders, which enable movement of the bulb forwardl... | 06/14/1983 |
| 4372336 | Chest drainage unit An improved, four-chamber chest drainage system include (1) a collection chamber for collecting blood and other liquids to be drained from the pleural cavity of a patient, (2) an underwater seal chamber for preventing contamination of the patient's pleura... | 02/08/1983 |
| 4332249 | Filter and valve assembly for hypodermic syringe Medicinal fluid to be injected into a patient is drawn into a hypodermic syringe barrel through the valve portion of a combination valve and filter assembly, and is ejected through the filter, thereby preventing particulate contamination of the injected m... | 06/01/1982 |
| 4318028 | Ion generator An improved system for generating an ion beam comprises a nozzle through which a gas to be ionized is fed, and a ring electrode encircling the tip of the nozzle. High positive potential and negative potential are applied to the nozzle and ring electrode, ... | 03/02/1982 |
| 4286311 | Flashlight A rugged, heavy duty flashlight which is hermetically sealed to prevent intrusion of moisture and dirt. A manually operable electric switch is provided having a rotary contact to complete the battery circuit to the bulb. When the switch is actuated the ro... | 08/25/1981 |
| 4276250 | Apparatus and method for producing tubular extrusions having axial sections of materials having different characteristics Apparatuses and methods for simultaneously extruding two lengths of plastic tubing wherein each of said lengths includes alternate axial sections of materials having different characteristics (e.g., a harder material and a softer material). The apparatus ... | 06/30/1981 |
| 4256302 | Variable resistance exercising device An improved exercising device for exercising the legs of a user includes a frame member with a lever arm having one end pivotably attached thereto. The lever arm extends downwardly from the portion of the frame member to which it is pivotably connected, a... | 03/17/1981 |
| 4249527 | Continuous positive airway pressure administrating apparatus An apparatus for delivering continuous positive airway pressure to a patient (e.g., an infant) includes a cradle assembly for firmly and adjustably supporting the head of a patient to whom continuous positive airway pressure is to be delivered, a support ... | 02/10/1981 |
| 4245433 | Method and apparatus of growing plants without soil For the control of the pH value of a nutrient solution for growing plants the pH value is increased by supplying nitrate nitrogen and is decreased by supplying ammonium nitrogen to the nutrient solution.... | 01/20/1981 |
| 4194601 | Combination body rest and totebag A combination body rest (for lounging at the beach, for example) and totebag includes a pair of frame members hinged at the tops thereof and covered with fabric so as to form a storage compartment. The unit further includes a seat panel adapted to serve a... | 03/25/1980 |
| 4170068 | Apparatus for transmission of measuring motion in gauging equipment A gauging frame for transmitting measuring movements comprises two bar elements allowing components to be mounted thereto individually and each independently of other components by engagement with the bar element transversely thereof.... | 10/09/1979 |
| 4159722 | Pressure regulator for endotracheal tube cuff or the like An improved pressure regulator for an inflatable cuff on an endotracheal tube or the like includes a housing which contains a valve assembly and a pressure regulating chamber. The housing is adapted to be connected to an inflatable cuff so that the pressu... | 07/03/1979 |
| 4148012 | Access control system An access control system for controlling and monitoring access to selected restricted areas and "alarm" conditions at such areas. The system comprises a central controller unit which repeatedly polls a number of remotely located reader terminals and alarm... | 04/03/1979 |