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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 5803611 | Marine bearing assembly A marine bearing assembly for a propeller shaft suitable for a vessel which travels in intensely cold seawater where a conventional bearing, as a result of its contraction, would seize the shaft and prevent it from rotating. The assembly includes a cylind... | 09/08/1998 |
| 4984968 | Variable pitch propellers An improvement in a variable pitch propeller to allow replacement of propeller blades under water without water intruding into the mechanism in the propeller hub and without a substantial quantity of oil leaking to the surrounding water. The propeller com... | 01/15/1991 |
| 4863290 | Combined shift rod bushing and gear case seal for marine propulsion device A marine propulsion lower unit including a gear case supporting a propeller shaft adapted to carry a propeller, which gear case has an upper surface including therein a cylindrical well defined by cylindrical peripheral wall and a bottom wall having there... | 09/05/1989 |
| 4795273 | Propeller shaft bearing arrangement The invention relates to a method for preventing leaks in a propeller shaft bearing arrangement including a plain bearing (2), which is lubricated with oil or water and which supports the propeller shaft (1) extending through an opening in the body (4) of... | 01/03/1989 |
| 4733976 | Propeller shaft bearing arrangement The invention relates to a method for preventing leaks in a propeller shaft bearing arrangement including a plain bearing (2), which is lubricated with oil or water and which supports the propeller shaft (1) extending through an opening in the body (4) of... | 03/29/1988 |
| 4647227 | Bearing, such as for rotary shaft Bearing for rotary shaft, of the type comprising at least one bearing element with a friction surface contacting with one external surface of the shaft. The bearing element comprises a bearing block on which is defined the friction surface and a support h... | 03/03/1987 |
| 4607964 | Water lubricated bearing A water lubricated bearing assembly having a plurality of circumferentially spaced first set of bearing elements with substantially flat surfaces and water courses therebetween supporting a shaft for rotation. Certain ones or all of such bearing elements ... | 08/26/1986 |
| 4474561 | Water jet unit A water jet unit for ships, comprises a propeller pump having a pump housing connected on its inlet side with an inlet channel and on its outlet side with a water-jet directing outlet means. The pump housing has a hub housing which is arranged centrally i... | 10/02/1984 |
| 4395141 | Bearing and seal assembly for stern tubes of vessels A stern tube bearing for vessels is sealed off in a leakproof aft seal asbly which comprises at least one annular chamber between axially spaced sealing elements. The annular chamber is filled with a liquid for lubricating the sealing elements. The liqui... | 07/26/1983 |
| 4352527 | Water-lubricated bearing construction for ship's propeller shaft A propeller system for ships includes a propeller shaft connected to be driven by a ship's drive shaft in order to drive the propeller of the ship connected thereto. The propeller shaft extends through a water-lubricated bearing located in the stern frame... | 10/05/1982 |
| 4331496 | Bearing assembly and method for making same A non-metallic bearing (10) is comprised of a fiberglass reinforced elastomer, preferably a rubber matrix (22), inner portion, or bearing blank (11), and a fiberglass reinforced plastic, preferably an epoxy matrix (33), outer portion, or shell (12). A pie... | 05/25/1982 |
| 4317655 | Marine drive gear housing A marine propulsion unit lower gear housing permits disassembly by rearranging easily removable parts for engagement with non-easily removable parts thereby permitting the use of standard wrenches for disassembly and assembly.... | 03/02/1982 |
| 4290656 | Hydrodynamic bearing with extended pressure gradient An outboard water lubricated marine bearing assembly having a cylindrical using and a plurality of stave pads disposed about the inner periphery of the housing for slidably supporting a rotatable shaft extending therethrough. The improvement resides in th... | 09/22/1981 |
| 4005916 | Jacked hydrostatic bearing A bearing assembly for a generally horizontal shaft particularly propeller shafts for ships which includes a cylindrically lower bearing shell for cooperating with and supporting the shaft, a pair of cylindrically faced upper bearing shells also cooperati... | 02/01/1977 |
