William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8147283 | Steering apparatus for outboard motor A steering apparatus whereby the steering load is equal even when the left and right steering angles are large when an outboard motor is steered to the left and right via a swivel shaft. A connecting hole of a steering plate is provided at a position spaced from a c... | 04/03/2012 |
| 7878872 | Steering connection system for connecting two or more marine propulsion devices A steering connecting device for a boat couples the steering of a primary propulsion device and an auxiliary propulsion device. The primary propulsion device has an outer surface and is attached to the transom of the boat and an auxiliary propulsion device. There is... | 02/01/2011 |
| 7677938 | Tiller arm A tiller arm pivotably mountable to a marine outboard engine about a pivot axis is described. First and second arms extend away from the pivot axis. A middle portion has a first end attached to the first and second arms. A handle portion extends away from the second... | 03/16/2010 |
| 7585195 | Propulsion and steering unit for a waterborne vessel A propulsion and steering unit for a waterborne vessel. The propulsion and steering unit is in the form of an azimuth thruster 1 comprising a propeller 2 fixed to one end of a propeller shaft 4, which is rotatable about a longitudinal axis 6 | 09/08/2009 |
| 7510450 | Mounting system for a transom mounted trolling motor A trolling motor is provided with an over-center clamping mechanism that facilitates its connection to a transom of a marine vessel. First and second clamping elements move toward or away from each other in response to manual manipulation of a handle. The use of an ... | 03/31/2009 |
| 7442104 | Steering handlebar for outboard motor A tiller handle assembly for an outboard motor is provided that comprises a steering handle having a generally hollow body. A throttle grip is attached to a front end of the steering handle, and a shift mechanism coupled to the steering handle. The shift mechanism i... | 10/28/2008 |
| 7410397 | Outboard motor with bracket assembly An outboard motor includes a bracket assembly that has a swivel bracket carrying a drive unit for pivotal movement about a steering axis that extends generally vertically. The swivel bracket has a tubular section that extends generally vertically. The drive unit has... | 08/12/2008 |
| 7404747 | Tiller handle for outboard motors Proposed is a height adjusting mechanism for a tiller handle (23) of an outboard motor (1). An adjustment piece (45) is detachably attached to the front end of a handle support bracket (22) which extends rearwards from the outboard motor ... | 07/29/2008 |
| 7320629 | Steering device for small watercraft In a steering device for a small watercraft that has at least two outboard motors which propulsive directions and propulsive forces are individually controllable. The steering device can have a steering wheel that can be inclined relative to an axis of a steering sh... | 01/22/2008 |
| 7316595 | Propeller positioning system which constrains the propeller to follow a path generally parallel to the bottom surface of a boat A propulsion system for a boat including a drive system and a propeller positioning system. The drive system may be of any type, such as outboard motors, inboard/outboard drives, surface drives, etc. The positioning system constrains movement of the propeller shaft ... | 01/08/2008 |
| 7311572 | Outboard motor steering control system In an outboard motor steering control system having a plurality of outboard motors each mounted on a stern of a boat by a shaft to be movable by an outboard motor actuator relative to the boat and each having an internal combustion engine and a propeller powered by ... | 12/25/2007 |
| 7303595 | Impact absorbing isolator sleeve and assembly for mounting a trolling motor An assembly for mounting a trolling motor comprising an inventive flexible gripping isolator sleeve positionable around the trolling motor column and a retainer which receives and retains the gripping isolator sleeve in a manner effective for holding the trolling mo... | 12/04/2007 |
| 7294029 | Mount apparatus for a trolling motor A mount apparatus for a trolling motor provides latching positions for the stowed and deployed conditions of the trolling motor. Locking the mechanism in either the stowed or deployed positions is accomplished solely by moving the shaft of the trolling motor assembl... | 11/13/2007 |
| 7285029 | Support device for a trolling motor A support device for a trolling motor is attachable to an arm of the trolling motor to provide a cushion between the arm and a deck surface of a boat. This cushion inhibits bouncing of the arm of the trolling motor in response to a boat traveling over rough water or... | 10/23/2007 |
| 7267588 | Selectively lockable marine propulsion devices A steering system for a marine vessel is provided with a connecting link attached to first and second marine propulsion devices. The connecting link is selectively disposable in first and second states of operation which either require synchronous rotation of the fi... | 09/11/2007 |
| 7214113 | Steering handle for outboard motor A steering handle assembly for an outboard motor has a low speed control switch with at least one lead wire that is not twisted during control of the watercraft. The low speed control switch provides precise control of the engine speed of the outboard motor. The ste... | 05/08/2007 |
| 7207854 | Connection system for two or more marine propulsion devices A tie bar arrangement uses a rod end cartridge assembly that provides relative rotatability between an associated rod end and a coupler tube. The provision of a connecting link and steering arm adapter associated with the rod end cartridge assembly also provides rel... | 04/24/2007 |
| 7195526 | Trolling motor mount A trolling motor for use with a watercraft is disclosed. The trolling motor comprises a head portion, a propulsion unit, a shaft coupling the propulsion unit to the head portion, and a mounting system configured to secure the trolling motor to the watercraft and to ... | 03/27/2007 |
| 7163428 | Outboard engine cowling A cowling for an outboard marine engine includes an upper motor cover and a lower motor cover that cover an engine, and a gear case that houses a drive mechanism. The upper motor cover detachably mates with the lower motor cover along corresponding edges. At least o... | 01/16/2007 |
| 7160160 | Steering handlebar for outboard motor The steering handlebar for outboard motor provided herein includes a power tilt and trim switch for adjusting a trim angle and a tilt angle of the outboard motor. The switch is advantageously mounted to the handlebar at a position that provides good operability. In ... | 01/09/2007 |
| 7128626 | Marine steering assembly with connecting member There is provided a hydraulic steering assembly for applying a force to two or more marine propulsion units. Each propulsion unit has a steering axis and a tilt axis. The tilt axis is generally perpendicular to the steering axis thereof. Each propulsion unit is rota... | 10/31/2006 |
| 7118434 | Outboard drive for boats Outboard drive unit for boats, including an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (13, 14,... | 10/10/2006 |
| 7090551 | Outboard motor tiller handle with upward position locking device A tiller arm is provided with a lock mechanism that retains the tiller arm in an upwardly extending position relative to an outboard motor when the tiller arm is rotated about a first axis and the lock mechanism is placed in a first of two positions. Contact between... | 08/15/2006 |
| 7090611 | Power transmission device Mutual interference between rotation and turning drive forces is prevented by a simple structure. A transmission shaft and a turning body are supported at a housing so as to be relatively coaxially rotatable. An input shaft is connected to the transmission shaft, an... | 08/15/2006 |
| 7056169 | Connection device for a marine propulsion system A connection device for a marine propulsion system is provided in which a selective locking mechanism automatically connects or disconnects two components of the marine propulsion system together in response to rotation of a tube and a rod. This relative rotation of... | 06/06/2006 |
| 7056166 | Trolling motor assembly A trolling motor assembly for use with a watercraft is disclosed. The trolling motor assembly comprises a propulsion unit, a steering control unit, a motor tube, and a mount system having a first portion adapted to be mounted to a watercraft and a second portion ada... | 06/06/2006 |
| 7048600 | Method and apparatus for air cooled outboard motor for small marine craft A belt driven outboard drive and engine assembly mountable to the transom of small flat bottom boats in much the same manner as water-cooled outboard engines. The assembly includes a lower drive shaft assembly that does not extend below the bottom of the boat, but e... | 05/23/2006 |
| 7047115 | Outboard motor steering system An outboard motor steering system for an outboard motor mounted on a stern of a boat includes a mounting unit having a swivel shaft connected to a propeller to turn the propeller, and a swivel case rotatably accommodating the swivel shaft. A vibration attenuator is ... | 05/16/2006 |
| 7004804 | Trolling motor mount A trolling motor for use with a watercraft is disclosed. The trolling motor comprises a head portion, a propulsion unit, a shaft coupling the propulsion unit to the head portion, and a mounting system configured to secure the trolling motor to the watercraft and to ... | 02/28/2006 |
| 6968919 | Cable type steering system A cable type steering system includes an operation cable having an outer tube and inner cable slidably received in the outer tube. A drive pulley coupled to a steering wheel for rotation and a driven pulley coupled to a steering gear box for steering wheels for rota... | 11/29/2005 |
| 6966567 | One end adjustable torque rod A length adjustment system for a torque rod assembly includes a tubular rod attached to one joint assembly and a solid rod attached to another joint assembly. The solid rod extends into the tubular rod. An adjustment nut attached to the tubular rod threadingly recei... | 11/22/2005 |
| 6962097 | Mechanical steering transmission unit The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed. ... | 11/08/2005 |
| 6935261 | Apparatus for body motion steering control for water craft An apparatus for steering control of water craft by operator body motion commands. The craft is powered by an outboard motor having a first vertical axis. The water craft has a swivel seat co-axially mounted to first and second swivel bodies permitting rotation of t... | 08/30/2005 |
| 6913497 | Tandem connection system for two or more marine propulsion devices A connection system for connecting two or more marine propulsion devices together provides a coupler that can be rotated in place, without detachment from other components, to adjust the distances between the tie bar arms. In addition, the use of various clevis ends... | 07/05/2005 |
| 6902450 | Outboard motor and tiller handle thereof A display device 21 for electrically showing a state of an outboard motor according to a sensing result of various sensors is provided to a tiller handle such that a display surface 27 thereof faces in an oblique upward direction. Preferably, the displ... | 06/07/2005 |
| 6892662 | Power steering device for boat with outboard motor To provide a power steering device for a boat with an outboard motor which helps to realize easy drive with small steering force without taking waterproofness into consideration. A gear device (4) is provided for driving a link mechanism for turning and steer... | 05/17/2005 |
| 6882289 | Monitoring and control of watercraft propulsion efficiency Readout devices and controls are provided that alert the user to unusual propeller slip conditions. Embodiments of the invention incorporate some signal processing to account for a progressively greater slip at lower watercraft speeds. Thus, the invention provides s... | 04/19/2005 |
| 6866553 | Retractable system for stowing away the propulsion components for a vessel A retractable propulsion system for s vessel has an engine (2) mounted within the hull (1; 101) with a drive shaft connected through a universal joint (6) to a propeller shaft (3; 103), supported so that it can rotate and slide in a beari... | 03/15/2005 |
| 6863581 | Trolling motor A propulsion apparatus includes a motor attached to a bracket assembly that is attached to and pivots from the transom of a boat. A positioning handle is attached at a distal end of the bracket assembly, and may be held at one or more positions in a retaining bracke... | 03/08/2005 |
| 6808431 | Trolling motor mount tool A trolling motor mount tool for assisting in the moving of a trolling motor support mount between a lowered position and a raised position. The trolling motor mount tool includes a main member having a first cutout and a second cutout, a first arm pivotally attached... | 10/26/2004 |