Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7185655 | Underwater ear prophylactic The present invention provides a prophylactic for the ear during activities in and around water or other liquid medium where the ear is subject to infection and barotraumas. It has an outer ear section that fits tight in a user's outer ear and a watertight downwardl... | 03/06/2007 |
| 7185734 | Hearing protection earplug, use of such an earplug and method for manufacturing such an earplug The invention relates to a hearing protection earplug, comprising a shell for being worn at least in part in the ear canal of a user and a faceplate (12) at the outer end of the shell or within a cavity of the shell having an outer opening, wherein the facepl... | 03/06/2007 |
| 7072482 | Microphone with improved sound inlet port A microphone comprises a housing defining an inner volume and including a first exterior surface with an aperture leading to the inner volume. The microphone includes a transducing assembly within the housing for converting sound into an electrical signal. A sound i... | 07/04/2006 |
| 7065224 | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection A microphone and method for dampening the frequency response of the microphone by disposing a dampening frame in a rear volume of the microphone. The microphone generally includes a housing, a diaphragm, a damping frame, and a backplate. The diaphragm rests on embos... | 06/20/2006 |
| 6972037 | Cervical disc replacement An apparatus for replacing at least a portion of an intervertebral disc in a spinal column includes: a first member having a first vertebral contact surface for engagement with an endplate of a first vertebral bone in the spinal column, and having a first articulati... | 12/06/2005 |
| 6961440 | Electro-acoustic system An electro-acoustic system for use with an electronic sound-generating member including a fitted earmold having a sound-conduction bore extending therethrough, a sound-conduction tubing having one end connected to the sound-conduction bore and being curved so as to ... | 11/01/2005 |
| 6082485 | Adjustable earplug An earplug has a rotationally adjustable gating mechanism for adjustable attenuation of treble sounds. The plug includes a conventional earplug foam body for conforming to and wedging in the ear canal. This earplug foam body includes at least a partial ap... | 07/04/2000 |
| 6068079 | Acoustic valve capable of selective and non-linear filtering of sound Acoustic valve capable of selective and non-linear filtering of sound and placeable in a perforated ear plug. The acoustic valve consists of a tube enclosing two rigid disks axially spaced opposite each other, each of the disks containing at least one per... | 05/30/2000 |
| 4896679 | Method and apparatus for the exclusion of sound and water from the auditory canal A method and apparatus for providing improved protection for the auditory systems of persons who may be subjected to excessive sound pressures or concussive shock waves or who may have certain disorders of the ear which require the exclusion of foreign ma... | 01/30/1990 |
| 4807612 | Passive ear protector A passive ear protector device for positioning in the ear of the user for protecting the ear from sounds of high intensity. The device attenuates sound in a manner which tends to preserve the natural quality of the incoming sound, in particular with respe... | 02/28/1989 |
| 4568337 | Ventilation tube permitting two-way gaseous communication with one-way liquid valve A myringotomy tube allowing two-way gaseous communication between an external ear canal and a middle ear cavity and only one-way liquid communication from the middle ear cavity to the external ear canal includes a ball mounted within the tube to move free... | 02/04/1986 |
| 4529057 | Ear defenders An ear defender for a headset, the ear defender comprising a rigid shell having holes in a central portion to permit the passage of ambient sound and including a valve mechanism to close the holes as required. The shell consists essentially of a unitary c... | 07/16/1985 |
| 4326512 | Composite ventilation tube for the middle ear A composite ventilation tube is disclosed which is specifically useful for ventilating the middle ear. The tube assembly includes an outer tube formed of inert, slightly flexible material, such as Teflon or polyethylene, which includes an elongated thin-w... | 04/27/1982 |
| 4168697 | Middle ear ventilating tube and method A ventilating tube and method are provided for maintaining a desired gaseous partial pressure in the middle ear comprising in combination a tube having an axial lumen, means on the tube holding the tube in place in a wall of the inner ear and a selective ... | 09/25/1979 |
| 4094303 | Tympanic membrane vent The middle ear space is vented through the tympanic membrane by a piece of porous plastic material positioned to extend through the tympanic membrane. The pore size is in the range of 5 to 25 micrometers in diameter to effectively prevent water passage an... | 06/13/1978 |
