Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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 |
| 4441576 | Nonlinear passive acoustic filtering In an ear muff intended for protection against excessive noise exposure, the passive means according to this invention automatically and continuously varies the amount of reduction provided for the sound arriving at the ear of the wearer; it retains subst... | 04/10/1984 |
| 4417104 | Plug for miniature receiver Plug for miniature receiver, especially for pocket hearing aids for the hard-of-hearing, with a plug body (7) and at least one plug pin (9) projecting out of the plug body (7). In order to avoid a gap between the receiver and the plugged-in plug, and ther... | 11/22/1983 |
| 4407389 | Vented acoustic ear mold for hearing aids An acoustic ear mold insertable into the ear of an individual with impaired hearing and used in conjunction with a hearing aid having a central metal tube surrounded by a larger diameter metal tube defining a closed resonance chamber so that sound energy ... | 10/04/1983 |
| 4392547 | Hearing aid earmolds A resonant earmold for amplifying selected frequencies of the sound signal introduced into the earmold. The path for sound through the earmold includes transversely disposed, off-axis elongated chamber sections (24,25), the various sections functioning as... | 07/12/1983 |
| 4375016 | Vented ear tip for hearing aid and adapter coupler therefore The disclosure is directed to a vent adapter for an ear tip coupling for use with a modular "In The Ear" hearing aid. The ear tip has a bulbous distal tip portion with a sound delivering aperture and a plurality of vent apertures therein. In the assembly,... | 02/22/1983 |
| 4349083 | Acoustic ear mold An acoustic ear mold for intensifying sound pressure for an acoustic signal derived from an electronic hearing aid worn by a patient, characterized by an ear canal component having defined therein a segmented, air-filled resonating cavity including four c... | 09/14/1982 |
| 4325453 | Pneumatic headset Disclosed is a pneumatic headset comprising a generally C-shaped frame having an upper portion designed to pass over a listener's head and downwardly extending leg portions. A pair of pneumatic sound tubes, each carrying a respective channel of audio info... | 04/20/1982 |
| 4314553 | Earplug and earplug set An earplug comprising a stem portion and a front portion mounted on the stem portion. The front portion is conically shaped and disposed such that the inner surface of the front portion is spaced from the stem portion. At least one spacing member may be p... | 02/09/1982 |
| 4311206 | Hearing aid ear mold with improved discrimination An improved type of ear mold which is used with a hearing aid of conventional design, but is provided with an inner chamber, to which sound is communicated from the hearing aid through a plastic tube, and from which the sound is communicated to the inner ... | 01/19/1982 |
| 4299303 | Noise attenuating stethoscope A noise attenuating stethoscope is coupled to a noise attenuating headset having first and second sound attenuating ear cups which are coupled to the ends of a headband. A pair of ear tubes extends laterally through an aperture in the side of each ear cup... | 11/10/1981 |
| 4261432 | Airline earphone structure An acoustically driven earphone for use with entertainment systems in airplanes which transmits acoustical energy from a transducer to the user's ear. The earphones are formed from two resilient plastic tubes each having one end connected to the transduce... | 04/14/1981 |
| 4246776 | Leak scope for detecting leaks in plumbing equipment A sturdy, portable apparatus for detecting water leaks in plumbing equipment consisting of an elongated rod having two upstanding portions and a third portion bent at a 90° angle to the upstanding portions with tubes connecting the upstanding portions to... | 01/27/1981 |
| 4223189 | Sound dampening earplug mounting device An earplug mounting device individually molded to the shape of a user's ear is adapted to fit tightly therein and support a forwardly extending boom from which can be suspended audio or visual aids of various types and configurations. The earplug mounting... | 09/16/1980 |
| 4200169 | Stethoscope This invention relates to a stethoscope having improved acoustical properties. The improvement comprises twin, smooth-walled sound pathways extending from the chestpiece to the ear tips which are free of sound leakage and each pathway has a constant diame... | 04/29/1980 |
| 4193396 | Paired earplug construction Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements. Attachment of the cord element to the earplug is achieved b... | 03/18/1980 |
| 4149610 | Acoustic headsets An acoustic headset having a pair of elongated channel structures for carrying sound tubes which are provided with ear pieces situated adjacent upper end regions of the channel structures. These channel structures have distant from their upper end regions... | 04/17/1979 |
| 4133984 | Plug-type hearing device A plug-type hearing device comprising a sound-leading portion being inserted into the auditory miatus, a first envelope attached around the sound-leading portion, a second envelope being positioned at the outside of the auditory miatus and being communica... | 01/09/1979 |
| 4130741 | Hearing aid reliner and apparatus for relining hearing aid ear molds For the ear mold which fits in the ear canal of the ear of a wearer of a hearing aid, a reliner to hermetically seal between the surface of the ear mold and the tissues of a wearer to eliminate feedback and wherein the coating is applied and is selected f... | 12/19/1978 |
| 4064965 | Stethoscope A stethoscope having a plurality of connector plugs positioned between the head set unit and the sound pick-up diaphragm unit wherein the connector plugs are removably attached to each other by a tubular yoke which provides communication between the head ... | 12/27/1977 |
| 4055233 | Ear coupler A self-forming ear plug element for use with a stethoscope type sound tube installation for transmitting audio sound to the ear and rejecting ambient noise. A conical portion having a sound-transmitting orifice enters the ear. A thin radially extensive sh... | 10/25/1977 |
| 4029169 | Acoustic yoke A "U" shaped yoke for retaining a pair of ear couplers to the ears of an individual at a minimum effective pressure in an acoustic system. A pair of right-angle horns carry the ear couplers and are rotatively mounted at the extremities of the U to allow o... | 06/14/1977 |
| 4011925 | Stethoscope The present invention relates to stethoscopes of the type commonly employed by air line passengers for use with entertaining sound apparatus and is concerned primarily with a stethoscope which may be adjusted for comfort when applied to and suspended from... | 03/15/1977 |
| 4010820 | Acoustic ear mold for hearing aid This disclosure describes an acoustic ear mold insertable into the ear of an individual with impaired hearing and used in conjunction with a hearing aid. Inserted into the molded portion of the ear mold is a central thin-walled metal tube surrounded by a ... | 03/08/1977 |
| 4006796 | Earpiece which substantially consists of a thin-walled flexible capsule filled with a liquid medium An earpiece which takes the form of a pouch made of a plastics foil which surrounds a less pliant plastics tube in an airtight manner and is filled with a sluggishly moving jelly-like paste. A not readily movable compression ring provided with a funnel shaped ... | 02/08/1977 |
| 3993161 | Acoustic headsets The described headsets have earpieces at the ends of acoustic tubing, the tubes being shaped about the wearer's head by a resilient frame that biases the earpieces against the wearer's outer ears. Pairs of spaced-apart strips form resilient arms of the fr... | 11/23/1976 |
| 3935401 | Earpiece for acoustic headset An earpiece having a tubular hub for receiving a sound-transmitting tube has a flange on an end of the hub about a central passage, comprising radiating ribs which are mutually separated by radiating slots or by webs. More particularly, the webs slope and... | 01/27/1976 |
| 3934674 | Acoustic headsets Acoustic headsets, especially for transmitting sound from stereo transducers to the listener's ears, include two tubes, earpieces at first ends of the tubes, and a frame for constraining the tubes into a convenient U-shape near the wearer's face. The head... | 01/27/1976 |
| 3934100 | Acoustic coupler for use with auditory equipment The disclosure is directed to an elongated and tapered, bulb-like hollow housing which is constructed and arranged to fit in the outer ear of the wearer having a plurality of openings formed therein circumferentially disposed to define rib portions which ... | 01/20/1976 |
