Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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 |
| 5079775 | Diving helmet A diving helmet comprises a head and a body-contacting portion which is provided under the head. The body-contacting portion comprises a chamber in which the inner wall has a plurality of exhaust guide holes and the outer wall has a plurality of exhaust h... | 01/14/1992 |
| 5062162 | Shield plate-mounting structure in helmet A structure for mounting a shield plate on a mounting base plate on a cap body of a helmet for rotation or pivotal movement between fully opened and closed positions. The mounting base plate and the shield plate are provided with two bayonet mechanisms ha... | 11/05/1991 |
| 5046193 | Aquatic thermal head covering An aquatic thermal head covering providing conservation of body heat when worn in or on water, constructed of flexible closed-cell rubber in water-resistant fabric conforming to curvature of wearer's head, with an adjustable brim, chin straps, and compone... | 09/10/1991 |
| 5035009 | Protective helmet and liner A protective helmet and liner therefor includes a sheet of sound deadening material which fits between impact force absorbing pad structures disposed on the interior of the protective helmet.... | 07/30/1991 |
| 5023958 | Aerodynamic bicycle helmet A single piece, high impact resistant plastic foam helmet having a truncated teardrop shape for aerodynamic efficiency is provided. The helmet design incorporates three ridges centered across the upper front portion of the helmet causing airflow over the ... | 06/18/1991 |
| 5014365 | Gas-fitted protective helmet A protective helmet employs an inflatable bladder on the interior of the helmet. The inflatable bladder has cells that extend to the lower rear octants of the wearers head and also to either the crown or upper front octants of the wearers head. The cells ... | 05/14/1991 |
| 5012533 | Helmet The invention relates to a single-shell helmet made from a styrene or polystyrene-based foam plastic. Unlike in the case of the hitherto known one-piece helmets of this type, the invention subdivides the helmet into shell parts, which are integrated toget... | 05/07/1991 |
| 5005221 | Motorcycle helmet wind visor adjustment device A wind visor for motorcycle helmets having two visor rings, with friction tracks on them, on each distal end of the wind visor which rotatably engage with a respective slip ring. The slip ring is in turn engaged with a flexible U-shaped bracket, which in ... | 04/09/1991 |
| 4999855 | Combination helmet and upper body protector A combination helmet and upper body protector which will cover and protect head, skull, face, chin, back, chest and shoulders of a person and still allow the person to move the head independently and to see and hear therefrom.... | 03/19/1991 |
| 4999856 | Facemask protection device A plastic body impregnated with a friction-reducing additive especially formed for insertion into a helmet and attachment to the inside of the horizontal faceguard bars of the helmet. A specially formed insert presents an anatomically curved rear surface ... | 03/19/1991 |
| 4996724 | Protective rim configuration for hard-shelled safety helmet A hard shelled safety helmet comprises a protective rim configuration for the helmet and a shock absorbent liner therefor. The rim extends within a groove formed in the liner.... | 03/05/1991 |
| 4995117 | (Airlock) bicycle helment with adjustable ventilation systems and accessories A bicyclist helmet has a outer shell; an inner buffer liner; forward facing baffle controlled air inlets; side baffle controlled air inlets; rear discharge baffle controlled exhaust air outlets; attaching ear cups; attaching fairing cone; attachments and ... | 02/26/1991 |
| 4985938 | Quick release face mask for use with contact sports helmets A face mask release apparatus for a contact sports helmet includes a face mask having a three point attachment to the left and right respective side portions of the helmet and to the forward forehead area of the helmet. The attachment includes a plurality... | 01/22/1991 |
| 4947490 | Football helmet with breakaway face mask A football helmet is provided with a releasable face mask which is attached to the helmet by hook-and-pile fastening means. Abutment means prevent relative movement of the face mask in response to a force which impinges on the mask in a direction toward t... | 08/14/1990 |
| 4937888 | Helmet cover Apparatus for protecting the wearer of a helmet in the form of an elastomeric cellular helmet cover, encased in an integral shell of like material, that can be attached to the exterior of an unmodified helmet, by means of flexible tabs, to reduce the pote... | 07/03/1990 |
| 4933993 | Protective mask A protective helmet is provided with a detachable wire face guard firmly secured in protective relation to the sides and peak of the helmet in mutual reinforcing relation therewith. The lightweight, fully ventilated mask affords a high degree of protectio... | 06/19/1990 |
| 4912777 | Diver's safety cap A safety cap is provided to be worn on the head of a diver such as a scuba diver or snorkelor, for protection against contusions, abrasions, incisions, lacerations and the like. The safety cap comprises an exterior, unitary shell of part-spherical configu... | 04/03/1990 |
| 4903348 | Helmet with strap holder A helmet has a generally dome shaped helmet body with inner and outer sides, openings through the body to pass retention straps, a first strap holder configured to be supported at and by the outer side of the helmet, the holder attached to at least one st... | 02/27/1990 |
| 4903350 | Aerodynamically streamlined bicycle racing helmet An aerodynamically streamlined bicycle racing helmet has a molded, plastic helmet body having an exterior shape which is streamlined to provide minimum resistance to frontal airflow. Downwardly extending ribs are formed in the interior surface to define c... | 02/27/1990 |
| 4901373 | Helmet retention system with adjustable buckle A helmet retention system includes a junction plate which, when tilted relative to the wearer's cheek, loosens its grip, on a chin strap. The plate is attached to a strap or straps which are in turn attached to the helmet. The plate has a triangular cross... | 02/20/1990 |
| 4897064 | Head-fitting swimming apparatus A swimmer's face mask (1) comprising a visor (3, 4 and 5), a holder (6) for the visor (3, 4 and 5) and a strap (7) for attaching the holder (6) to the face of a swimmer. The visor (3, 4 and 5) is of transparent plastic material and has two laterally exten... | 01/30/1990 |
| 4887319 | Unitary contiguous face and neck protector all weather cover for hard head gear The present disclosure is directed to a weather protective unitary contiguous substantially flat face and neck cover for use with hard head gear. The cover has an outer layer of non-stretchable waterproof highly reflective nylon having a liner of thermall... | 12/19/1989 |
| 4885806 | Face protective member for batter's helmets A shield plate has supporting structure at one of its ends for securement to the ear flap of a batting helmet. Such support structure holds the shield plate in one of two positions, one such position being a forwardly extending down position protecting th... | 12/12/1989 |
| 4885807 | Quick release face mask for use with contact sports helmets A face mask release apparatus for a contact sports helmet includes a face mask having a three point attachment to the left and right respective side portions of the helmet and to the forward forehead area of the helmet. The attachment includes a plurality... | 12/12/1989 |
| 4847921 | Protective headgear A protective headgear for boxing and other activities involving direct violence to the head is provided which protects the eyes from direct contact of the padded thumbs and the impacts of blows. The headgear will also provide protection from serious lacer... | 07/18/1989 |
| 4845786 | Lightweight molded protective helmet A lightweight molded protective helmet for use by cyclists and preferably produced by stretch-blow molding a moldable plastic material. The helmet includes outer and inner shells or surfaces each having a plurailty of openings therein, with the surfaces b... | 07/11/1989 |
| 4831668 | Padding structure for use in protective headgear The jaw pad is formed of resilient material having a uniform thickness and formed in a curved shape corresponding to the curvature of the earflaps of the headgear. Four female snap members are secured to its back face, capable of engaging the three male s... | 05/23/1989 |
| 4825476 | Articulated head, neck and shoulder protective device An articulated head, neck and shoulder protective device particularly adapted for use by football players. The device includes a shoulder protector having an annular track at its center large enough for the wearer's head to pass through. A helmet assembly... | 05/02/1989 |
| 4821339 | Protective vest having a cervical collar Disclosed is a protective vest having a collar or neck guard intended for use with helmets and, optionally, with shoulder pads or harnesses, of the types worn by players in contact sports. The protective vest has a flexible body with shoulder portions bet... | 04/18/1989 |
| 4821345 | Athletic ear guard assembly An improved ear guard assembly, particularly for amateur wrestlers. The ear guard includes a reinforcing plate member having head strap engaging slots with inner and outer sheet foam energy absorbing layers. The assembly is enclosed by a molded plastic sk... | 04/18/1989 |
| 4796309 | Protective helmet retained on the rear of wearer's head The helmet may be secured to the wearer's head by an armor the two ends (14-15) of the pair of "V" shaped branches of which are anchored to two opposite points on the rear lateral part of the helmet to form, substantially an arched element apt to engage w... | 01/10/1989 |
| 4790539 | Golf swing training apparatus The invention is concerned with an apparatus for use in perfecting a golfer's stroke by aiding the golfer in preventing undesirable head movement. The apparatus includes a headpiece with a visor to which a bracket is mounted. A retaining pin is inserted i... | 12/13/1988 |
| 4774729 | Athletic helmet face mask attachment A new attachment configuration for the face mask of a football or ice hockey helmet comprising three snap-in attachments that permit detachment of the face mask with sufficient pulling or twisting movement of the mask. The snap-in attachments are configur... | 10/04/1988 |
| 4766610 | Replaceable cushion liner for military headgear A headgear cushion (18) having a closed-cell foam core coated with a non-allergenic vinyl/nitrile composition. A powdered carbon is mixed with the vinyl/nitrile composition to provide a dark color. Pressure responsive material (28, 30) is adhered to the c... | 08/30/1988 |
| 4754501 | Protective headware for wrestlers A protective headware for wrestlers which covers the top of the head and extends downwardly over a portion of the back of the head and down over the face including the nose mouth and ears and then extends under the chin of the wrestler and has an outer fl... | 07/05/1988 |
| 4748696 | Safety helmet A safety helmet has a shell with a visor movably supported on both sides. By means of a bearing pin and a control pin guided along cam surfaces, the visor can be positioned over the face opening of the helmet or swung upwardly. Detents for the pins define... | 06/07/1988 |
| 4736469 | Headgear for slalom racers The headgear comprises at least one annular band for surrounding the head and possibly completed by a cap. At least the frontal-lateral part of the band includes a thick, shock-absorbent structure of resiliently-compressible foamed material. This structur... | 04/12/1988 |
| 4729132 | Sports helmet A sports helmet has a resilient, cushioned lining in the interior having at least one pocket in a rear portion containing an air-activated heat-generating element. The helmet is fabricated with an adjustable interior lining having a plurality of pieces wh... | 03/08/1988 |
| 4724549 | Protective helmet and locking means A protective helmet (10) characterized in that it comprises a shell (12) shaped to fit about the head of a wearer, the shell (12) comprising an interior and an exterior, a forward region (14) intended in use to be situated adjacent a forehead of the weare... | 02/16/1988 |
| 4722101 | Optical system for protective headgear A helmet includes an optical system presenting a rearward view to the wearer as an image below the wearer's horizontal line of sight and including a plurality of optical components arranged such that the image is viewed through a viewing component positio... | 02/02/1988 |
