Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4544364 | Illuminated buoy marker The present invention is a self-setting, illuminated buoy marker for anglers, made of a translucent material which is elongated in shape and has a bifurcated body of two end members connected to a narrow waist stem member. The marker has a lighting device... | 10/01/1985 |
| 4501563 | Marker buoy There is provided a marker buoy useful to indicate the location of an underwater structure. The buoy is made from a material having a density less than water, including first and second elongated side members and a central portion therebetween. The centra... | 02/26/1985 |
| 4493664 | Sonobuoy float inflation and depth selection initiators A shape-memory alloy initially configured to have engaging potential for a ance, guillotine or pin connected thereto is wrapped in a heating element powered by current from a water activated battery. When the alloy reaches a specific temperature it silentl... | 01/15/1985 |
| 4443203 | Floating marker A marker bouy to positively mark positions on a water surface with respect to the bottom. The marker includes a generally hollow body with line wound around the approximate center thereof with a weight on the end of the line which will cause the marker to... | 04/17/1984 |
| 4373288 | Signalling means for a crustacean trap The invention, according to the depicted embodiment, comprises a buoyant element which is releaseably held atop a crustacean trap by an elongate rod. One end of the rod releaseably engages the buoyant element, and the other end thereof is passed through t... | 02/15/1983 |
| 4319372 | Submarine rescue cable reel Apparatus for delivering a heavy cable such as a rescue cable from the oc's surface to an extended depth for attachment to an object such as a stranded submarine and, after attachment of the free end of the cable to the object, delivering the cable to th... | 03/16/1982 |
| 4240371 | Signal bladder A signalling device for underwater divers, in the form of an inflatable bladder held within a container and attached to a reel. The device can be attached to a diver, being strapped to his arm or to his air tank, for example. The device can be actuated by... | 12/23/1980 |
| 4211502 | Breakaway pin release A pin release assembly in which a release pin and a pull pin have mating tions which interlock within a fixed collar. The interlocking surfaces of the mating portions are oriented parallel to or normal to the longitudinal axis of the pins so that no fric... | 07/08/1980 |
| 4195380 | Life saving apparatus for vessels A life saving buoy of the type intended to float off the deck of a sinking vessel and to remain anchored to the vessel by an anchoring cable, to provide a mooring for life boats or life rafts and to give signals to aid rescurers; having improved structura... | 04/01/1980 |
| 4170186 | Anchored offshore structure with sway control apparatus An offshore structure adapted to carry a drilling or production platform. The structure has a positive buoyancy and is tied-down to the ocean floor by tensioned cables such that the structure is maintained above the ocean floor and is tiltable. A pluralit... | 10/09/1979 |
| 4074380 | Recovery buoy A recovery buoy which is carried underwater by a diver and comprises an indented spool-like body of lightweight material around which is wrapped a cord. A weight is detachably mounted to the body and is attached to the cord so that the weight end of the c... | 02/21/1978 |
| 4040135 | Emergency locator system for locating and retrieving sunken vessels An emergency locator system for locating and retrieving sunken vessels and vessels in distress comprising in combination a base, a buoyant float releasably mounted thereon and a long line connecting the base and float. The base is adapted to be mounted on... | 08/09/1977 |
| 4033002 | Life saving equipment for vessels Lifesaving apparatus for vessels in the form of a buoy releaseably carried by a vessel in a manner so as to float free if the vessel sinks while remaining attached to the vessel by a cable held on a reel on the buoy and having its outer end connected to t... | 07/05/1977 |
| 4014478 | Security winch for divers A winch adapted to be secured to a buoy including a drum having a hollow shaft journalled at its ends, for rotation around its longitudinal axis. An elastic band is stretched through the drum and is fixed at one end to one end of the shaft and at the othe... | 03/29/1977 |
| 3998408 | Remote elevated platform A remote elevated platform (REP) for positioning a payload from an aircraft nd maintaining its position unattended, comprises a lifting body, a payload designed to be suspended from the lifting body, a tether line and a mooring system. The platform is drop... | 12/21/1976 |
| 3965512 | Precise navigation buoy A prolate spheroid shaped buoy is resiliently moored to an anchor by means of a cable wound on a reel in the anchor with the reel latched to power springs coaxially wound upon a shaft extending through the reel. The springs are pretensed on the shaft, pri... | 06/29/1976 |
| 3940814 | Portable salvage lift A portable salvage lift apparatus for use in an underwater environment coising a buoyancy system having a variable lift capability and a tethering system employing a brake comprising a pump. This pump has a rotor coupled to a reel in the tethering system... | 03/02/1976 |
