US3094962A - Hydro plane - Google Patents

Hydro plane Download PDF

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US3094962A
US3094962A US190557A US19055762A US3094962A US 3094962 A US3094962 A US 3094962A US 190557 A US190557 A US 190557A US 19055762 A US19055762 A US 19055762A US 3094962 A US3094962 A US 3094962A
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boat
sides
wings
pair
sponsons
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US190557A
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Goar Harry Joseph
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/322—Other means for varying the inherent hydrodynamic characteristics of hulls using aerodynamic elements, e.g. aerofoils producing a lifting force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B2001/186—Sponsons; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/201—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface divided by longitudinal chines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/203—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface arranged in semi-catamaran configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/204—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface arranged on multiple hulls
    • B63B2001/205—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface arranged on multiple hulls the hulls being interconnected rigidly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Definitions

  • This invention relates to boats and hydro planes and the like, and particularly to what I choose to term a hydro plane, or hydroplane racing boat.
  • the main object of my invention is to provide a cabover hydro plane boat with streamline and water sled features producing speed and lift and allowing adjustment to compensate for different persons driving the boat and displaying great stability at all times.
  • An ancillary object of my invention is to have short side wings contributing to the streamline and lift characteristics of the boat and forming attachment points for adjustment elements for the boat.
  • An important object of my invention is therefore to provide a hydro plane boat of this character with adjustable sponsons variably attached to the outer ends of the wings for altering the trim of the boat according to different weights of drivers of the boat.
  • a further object of my invention is to have the sponsons streamlined upon the top and outer sides thereof while the inboard sides are substantially straight and adapted to be secured at various positions along the same to corresponding portions upon the outer extremities of the wings to be rigid therewith.
  • a practical object of the invention is also to have the boat provided amidship with a cockpit to be occupied :by the driver and a rear engine well for the engine intended to drive the boat.
  • FIGURE 1 is a perspective View of a cabover hydro plane made according to the invention and embodying the same in a practical and operable form;
  • FIGURE 2 is a rear perspective exploded view showing the sponsons separated from the boat body at the ends of its rigid wings;
  • FIGURE :6 shows a sponson from the inboard side which is directly secured to the outer end of a wing of the boat.
  • a boat body of hydro plane type generally indicated at 7 has an almost fiat bottom 8 (FIGURES 3 and 4) which curves slightly upward at 9, 9 toward the sides and also at 10, 11 toward the front and rear.
  • the nose 12 is rounded and provided with a spoiler 13 to serve as a pad on rough Water, the spoiler comprising a generally flattened area, while at both sides rearwardly inclined opposite chines 14, 14 define air traps 15, 15 within them
  • the boat widens to form a pair of opposite projections or stubby wings 16, :16 of airfoil section, as best seen at 17 in FIGURE 2 which also shows how these wings end abruptly in flat outer ends 18, 18.
  • the boat body is preferably of hollow, internally reinforced construction as indicated at 19 "(FIGURE 4) and at the front, an operators cockpit 20 is located behind the cowl 21, but rearwardly of this cockpit is the high body portion 22 with an upstanding fin 23 thereon, the two upper sides 24, 24 above and within the Wings 16 extend the length of the craft and at the rear form the sides of an engine well 25 with a bottom 26 having the motor clearance 27.
  • a rearward fin 28 that at least partially serves as a keel, while upon the front cowling 21 is fixed a mooring loop 29, and upon the rear end of the boat at both sides of the motor well 25 are fixed hitching loops 30, 30.
  • Each of the two wings 16 has its flat outer ends provided with holes 38 for receiving bolts 3'7 by which to secure a pair of sponsons 31 and 32 individually to these wings as best shown in FIGURE 4.
  • the inboard sides 34 and 35 mate with flat outer ends 18, 18 of the wings, the one sponson 31 having a depending fin 33 to cooperate with bottom fin 28 for stabilizing the craft.
  • the fiat inboard side 34 of sponson 31 has a row of holes 36, any two of which will match the two holes 38 of wing 16, while an access cover 40 upon removal allows insertion of bolts 37 to fit the sponson in place, the holes 36 being selected according to the fore or aft position desired, according to the size and weight of the driver of the craft.
  • the sponsons are in a sense semi-streamlined, for exteriorly of the fiat inboard sides thereof they are streamlined upon their entire outer sides 39, 41 in opposite manner, as easily seen in FIGURE 3.
  • the shape of the bottom 8 makes it tend to scale and ride over the water, while the generally airfoil form of the sponsons, and especially of the Wings 16 tend to impart a lift to the craft as it travels along, the sponsons being substantially streamlined outrigger pontoons, and in combination with the chines 14 and air traps 15 and the depending fins 28 and 33 serve to render the craft steady and virtually impossible to tip over, but will glide along a smooth course on the water.
  • a hydroplane boat including a boat body having two sides extending along the length of the boat with a bottom disposed beneath both side-s and extending laterally outward in opposite directions, a pair of rigid short wings projecting from said sides with the lower surfaces thereof merging with said bottom, a cockpit for a drive for the boat in the forward portion thereof between said sides, means carried upon said wings for balancing and determining the trim of said boa-t, said bottom having a pair of inclined chines extending rearwardly at the sides defining air traps between them, said body having a high intermediate portion rearwardly of the cockpit and an engine well disposed at the extreme rear portion thereof between the sides of the craft, said last mentioned means including a pair of elongated sponsons detachably secured upon the outer ends of the wings, said wings having an airfoil sectional form, a depending fin upon the boat bottom, and a depending fin upon one of the two sponsons.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

June 25, 1963 H. o 3,094,962
HYDRO PLANE Filed April 27, 1962 INVENTOR. 15075171 6 01??? United States Patent 3,094,962 HYDRO PLANE Harry Joseph Gear, 2425 Broadway, Mattoon, Ill. Filed Apr. 27, 1962, Ser. No. 190,557 3 Claims. (Cl. 114--66.5)
This invention relates to boats and hydro planes and the like, and particularly to what I choose to term a hydro plane, or hydroplane racing boat.
The main object of my invention is to provide a cabover hydro plane boat with streamline and water sled features producing speed and lift and allowing adjustment to compensate for different persons driving the boat and displaying great stability at all times.
An ancillary object of my invention is to have short side wings contributing to the streamline and lift characteristics of the boat and forming attachment points for adjustment elements for the boat.
An important object of my invention is therefore to provide a hydro plane boat of this character with adjustable sponsons variably attached to the outer ends of the wings for altering the trim of the boat according to different weights of drivers of the boat.
A further object of my invention is to have the sponsons streamlined upon the top and outer sides thereof while the inboard sides are substantially straight and adapted to be secured at various positions along the same to corresponding portions upon the outer extremities of the wings to be rigid therewith.
A practical object of the invention is also to have the boat provided amidship with a cockpit to be occupied :by the driver and a rear engine well for the engine intended to drive the boat Other objects and advantages of my invention will appear in further detail as the specification proceeds.
In order to facilitate clear comprehension of this invention for a proper appreciation of the salient features thereof, the invention is illustrated on the accompanying drawing forming part hereof, and in which:
FIGURE 1 is a perspective View of a cabover hydro plane made according to the invention and embodying the same in a practical and operable form;
FIGURE 2 is a rear perspective exploded view showing the sponsons separated from the boat body at the ends of its rigid wings;
1 and FIGURE :6 shows a sponson from the inboard side which is directly secured to the outer end of a wing of the boat.
Throughout the views, the same reference numerals indicate the same parts and features.
In connection with boats of the hydro plane class, especially for racing, it is important to have not only streamline form and capacity for scaling the water surface, but
also efiective means for altering and correcting the trim of the boat according to the size and weight of the driver who is to operate the boat. On a delicately balanced boat, this factor can be critical and thus essentially to adjust accurately. I would therefore propose to combine a hydro plane boat with water sled properties and adjustable sponson Outriggers of special construction and nature, as will be set forth in the following, due reference being bad to the mentioned drawing.
Hence, in the practice of my invention, a boat body of hydro plane type, generally indicated at 7 has an almost fiat bottom 8 (FIGURES 3 and 4) which curves slightly upward at 9, 9 toward the sides and also at 10, 11 toward the front and rear. Up front, the nose 12 is rounded and provided with a spoiler 13 to serve as a pad on rough Water, the spoiler comprising a generally flattened area, while at both sides rearwardly inclined opposite chines 14, 14 define air traps 15, 15 within them Intermediate the ends, the boat widens to form a pair of opposite projections or stubby wings 16, :16 of airfoil section, as best seen at 17 in FIGURE 2 which also shows how these wings end abruptly in flat outer ends 18, 18. The boat body is preferably of hollow, internally reinforced construction as indicated at 19 "(FIGURE 4) and at the front, an operators cockpit 20 is located behind the cowl 21, but rearwardly of this cockpit is the high body portion 22 with an upstanding fin 23 thereon, the two upper sides 24, 24 above and within the Wings 16 extend the length of the craft and at the rear form the sides of an engine well 25 with a bottom 26 having the motor clearance 27.
On the bottom in the same vertical plane with top fin 23 is fixed a rearward fin 28 that at least partially serves as a keel, while upon the front cowling 21 is fixed a mooring loop 29, and upon the rear end of the boat at both sides of the motor well 25 are fixed hitching loops 30, 30.
Each of the two wings 16 has its flat outer ends provided with holes 38 for receiving bolts 3'7 by which to secure a pair of sponsons 31 and 32 individually to these wings as best shown in FIGURE 4. The inboard sides 34 and 35 mate with flat outer ends 18, 18 of the wings, the one sponson 31 having a depending fin 33 to cooperate with bottom fin 28 for stabilizing the craft. As best shown in FIGURE 6, the fiat inboard side 34 of sponson 31 has a row of holes 36, any two of which will match the two holes 38 of wing 16, while an access cover 40 upon removal allows insertion of bolts 37 to fit the sponson in place, the holes 36 being selected according to the fore or aft position desired, according to the size and weight of the driver of the craft. The sponsons are in a sense semi-streamlined, for exteriorly of the fiat inboard sides thereof they are streamlined upon their entire outer sides 39, 41 in opposite manner, as easily seen in FIGURE 3.
The shape of the bottom 8 makes it tend to scale and ride over the water, while the generally airfoil form of the sponsons, and especially of the Wings 16 tend to impart a lift to the craft as it travels along, the sponsons being substantially streamlined outrigger pontoons, and in combination with the chines 14 and air traps 15 and the depending fins 28 and 33 serve to render the craft steady and virtually impossible to tip over, but will glide along a smooth course on the water.
Manifestly, variations may be resorted to, and part-s may be modified or used without others within the scope of the appended claims.
Having now fully described my invention, I claim:
1. A hydroplane boat including a boat body having two sides extending along the length of the boat with a bottom disposed beneath both side-s and extending laterally outward in opposite directions, a pair of rigid short wings projecting from said sides with the lower surfaces thereof merging with said bottom, a cockpit for a drive for the boat in the forward portion thereof between said sides, means carried upon said wings for balancing and determining the trim of said boa-t, said bottom having a pair of inclined chines extending rearwardly at the sides defining air traps between them, said body having a high intermediate portion rearwardly of the cockpit and an engine well disposed at the extreme rear portion thereof between the sides of the craft, said last mentioned means including a pair of elongated sponsons detachably secured upon the outer ends of the wings, said wings having an airfoil sectional form, a depending fin upon the boat bottom, and a depending fin upon one of the two sponsons.
References Cited in the file of this patent UNITED STATES PATENTS D. 117,415 Gassaway Oct. 31, 1939 4 Kemp Sept. 24, Lake Feb. 22, Warner Dec. 12, Apel Sept. 6, Plaziak Apr. 14, Kiekhaefer Oct. 20, Follett Feb. 2 8,
FOREIGN PATENTS Great Britain Italy Nov. 23, Australia Oct. 21, Great Britain June 26,

Claims (1)

1. A HYDROPLANE BOAT INCLUDING A BOAT BODY HAVING TWO SIDES EXTENDING ALONG THE LENGTH OF THE BOAT WITH A BOTTOM DISPOSED BENEATH BOTH SIDES AND EXTENDING LATERALLY OUTWARD IN OPPOSITE DIRECTIONS, A PAIR OF RIGID SHORT WINGS PROJECTING FROM SAID SIDES WITH THE LOWER SURFACES THEREOF MERGING WITH SAID BOTTOM, A COCKPIT FOR A DRIVE FOR THE BOAT IN THE FORWARD PORTION THEREOF BETWEEN SAID SIDES, MEANS CARRIED UPON SAID WINGS FOR BALANCING AND DETERMINING THE TRIM OF SAID BOAT, SAID BOTTOM HAVING A PAIR OF INCLINED CHINES EXTENDING REARWARDLY AT THE SIDES DEFINING AIR TRAPS BETWEEN THEM, SAID BODY HAVING A HIGH INTERMEDIATE PORTION REARWARDLY OF THE COCKPIT AND AN ENGINE WELL DISPOSED AT THE EXTREME REAR PORTION THEREOF BETWEEN THE SIDES OF THE CRAFT, SAID LAST MENTIONED MEANS INCLUDING A PAIR OF ELONGATED SPONSONS DETACHABLY SECURED UPON THE OUTER ENDS OF THE WINGS, SAID WINGS HAVING AN AIRFOIL SECTIONAL FORM, A DEPENDING FIN UPON THE BOAT BOTTOM, AND A DEPENDING FIN UPON ONE OF THE TWO SPONSONS.
US190557A 1962-04-27 1962-04-27 Hydro plane Expired - Lifetime US3094962A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216390A (en) * 1963-11-19 1965-11-09 George C Molotzak Boat with horizontal bow divider
US3424120A (en) * 1966-12-20 1969-01-28 Vsevolod B Koriagin Hydrotunnel boat
US3648640A (en) * 1970-09-14 1972-03-14 Roger A Granger Hydroplane boat
US3702598A (en) * 1971-06-07 1972-11-14 Jack J Szptyman Watercraft
US3804049A (en) * 1973-02-12 1974-04-16 R Greer Wave force absorbing device
US3974535A (en) * 1973-12-18 1976-08-17 Nauterra S.A. Boat hull with spherical dome
US4228752A (en) * 1976-01-02 1980-10-21 Sladek Theodore E Surface effect boat
US4237810A (en) * 1978-12-05 1980-12-09 Westfall Kirk M Hydrodynamically and aerodynamically designed boat
DE3804341A1 (en) * 1988-02-12 1989-08-24 Josef Seibold Underwater vessel, in particular for observation and marking tasks
US5357894A (en) * 1986-04-25 1994-10-25 Jacobson Clayton J Pleasure watercraft
US5526764A (en) * 1986-04-25 1996-06-18 Jacobson; Clayton Surface effect craft
US6014940A (en) * 1986-04-25 2000-01-18 Jacobson; Clayton Surface effect craft
US20040031428A1 (en) * 2002-08-19 2004-02-19 Prevost Daniel P. Personal watercraft tri-hull system
US6912967B1 (en) * 2003-07-15 2005-07-05 Graham H. Oats Hybrid watercraft
US20060075954A1 (en) * 2003-07-23 2006-04-13 M Ship Co., Llc Super high speed multi-hull watercraft
US20130075538A1 (en) * 2011-09-28 2013-03-28 Wipaire, Inc. Transport Aircraft Hull Attachment System
US20140353059A1 (en) * 2012-05-29 2014-12-04 Chongqing Yunhan Marine Technology Co., Ltd. Hovercraft without lift fan

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB111303A (en) * 1916-11-16 R Bourbeau & H Devaux Soc Improvements in Aeroplanes.
US1728937A (en) * 1927-07-30 1929-09-24 Arthur W Kemp Hydroplane
US1846602A (en) * 1931-03-13 1932-02-23 Lake Thomas A Edison Pontoon-hydroplane boat
US2364676A (en) * 1940-05-22 1944-12-12 Douglas K Warner Skimming and flying vehicle
US2481063A (en) * 1945-05-29 1949-09-06 Arno A Apel Boat
US2634436A (en) * 1948-06-10 1953-04-14 John Plaziak Watercraft
US2909140A (en) * 1958-09-22 1959-10-20 Kiekhaefer Elmer Carl Outboard motor driven hydroplaning boat
US2972974A (en) * 1956-07-23 1961-02-28 Harold E Follett Hydrofoil craft
GB871446A (en) * 1959-01-30 1961-06-28 Japan Aircraft Mfg Co High speed planing craft

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB111303A (en) * 1916-11-16 R Bourbeau & H Devaux Soc Improvements in Aeroplanes.
US1728937A (en) * 1927-07-30 1929-09-24 Arthur W Kemp Hydroplane
US1846602A (en) * 1931-03-13 1932-02-23 Lake Thomas A Edison Pontoon-hydroplane boat
US2364676A (en) * 1940-05-22 1944-12-12 Douglas K Warner Skimming and flying vehicle
US2481063A (en) * 1945-05-29 1949-09-06 Arno A Apel Boat
US2634436A (en) * 1948-06-10 1953-04-14 John Plaziak Watercraft
US2972974A (en) * 1956-07-23 1961-02-28 Harold E Follett Hydrofoil craft
US2909140A (en) * 1958-09-22 1959-10-20 Kiekhaefer Elmer Carl Outboard motor driven hydroplaning boat
GB871446A (en) * 1959-01-30 1961-06-28 Japan Aircraft Mfg Co High speed planing craft

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216390A (en) * 1963-11-19 1965-11-09 George C Molotzak Boat with horizontal bow divider
US3424120A (en) * 1966-12-20 1969-01-28 Vsevolod B Koriagin Hydrotunnel boat
US3648640A (en) * 1970-09-14 1972-03-14 Roger A Granger Hydroplane boat
US3702598A (en) * 1971-06-07 1972-11-14 Jack J Szptyman Watercraft
US3804049A (en) * 1973-02-12 1974-04-16 R Greer Wave force absorbing device
US3974535A (en) * 1973-12-18 1976-08-17 Nauterra S.A. Boat hull with spherical dome
US4228752A (en) * 1976-01-02 1980-10-21 Sladek Theodore E Surface effect boat
US4237810A (en) * 1978-12-05 1980-12-09 Westfall Kirk M Hydrodynamically and aerodynamically designed boat
US6014940A (en) * 1986-04-25 2000-01-18 Jacobson; Clayton Surface effect craft
US5357894A (en) * 1986-04-25 1994-10-25 Jacobson Clayton J Pleasure watercraft
US5526764A (en) * 1986-04-25 1996-06-18 Jacobson; Clayton Surface effect craft
DE3804341A1 (en) * 1988-02-12 1989-08-24 Josef Seibold Underwater vessel, in particular for observation and marking tasks
US20040031428A1 (en) * 2002-08-19 2004-02-19 Prevost Daniel P. Personal watercraft tri-hull system
US6912967B1 (en) * 2003-07-15 2005-07-05 Graham H. Oats Hybrid watercraft
US20060075954A1 (en) * 2003-07-23 2006-04-13 M Ship Co., Llc Super high speed multi-hull watercraft
US7093553B2 (en) * 2003-07-23 2006-08-22 M Ship Co., Llc. Super high speed multi-hull watercraft
US20130075538A1 (en) * 2011-09-28 2013-03-28 Wipaire, Inc. Transport Aircraft Hull Attachment System
US20140353059A1 (en) * 2012-05-29 2014-12-04 Chongqing Yunhan Marine Technology Co., Ltd. Hovercraft without lift fan
US9085290B2 (en) * 2012-05-29 2015-07-21 Chongqing Yunhan Marine Technology Co., Ltd. Hovercraft without lift fan

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