Patents by Inventor Mou-Tang Liou

Mou-Tang Liou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9670042
    Abstract: A multifunctional tool includes a tool head including first, second, third jaws, and first and second engaging spaces. The first engaging space extends between the first and second jaws. The second engaging space extends between the third jaw and a surface facing the third jaw. The first engaging space has first, second, and third lengths defining a maximum space between first sections, a minimum space between second sections, and a minimum space between third sections of the first and second jaws, respectively. The second length is shorter than the first length. The third length is longer than the second length but shorter than the first length. The second engaging space has a fourth length defining a space between the third jaw and the surface. The fourth length is not shorter than the third length.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: June 6, 2017
    Inventor: Mou-Tang Liou
  • Publication number: 20160303713
    Abstract: An adjustable wrench includes a frame and a movable jaw. The frame includes a handle, a fixed jaw, a guiding slot, a hole, and a holding portion. The guiding slot is formed between the handle and the fixed jaw. The hole is communicated with the guiding slot. An adjusting screw is rotatably engaged in the hole. The movable jaw includes a guiding portion slidably engaged in the guiding slot. A supporting portion and an adjusting portion formed at the bottom side of the guiding portion. The supporting portion is abutted against the holding portion, and the adjusting portion is engaged with the adjusting screw.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 20, 2016
    Inventor: Mou-Tang Liou
  • Publication number: 20160303714
    Abstract: An adjustable wrench includes a frame and a movable jaw. The frame includes a handle, a fixed jaw, a guiding slot formed between the handle and the fixed jaw, a hole communicated with the guiding slot, and a holding portion. An adjusting screw is rotatably engaged in the hole. The movable jaw includes a guiding portion slidably engaged in the guiding slot, a supporting portion formed at a bottom side of the guiding portion, and an adjusting portion formed at a top side of the guiding portion. The supporting portion is abutted against the holding portion. The adjusting portion is engaged with the adjusting screw.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 20, 2016
    Inventor: Mou-Tang Liou
  • Publication number: 20160115007
    Abstract: A multifunctional tool includes a tool head including first, second, third jaws, and first and second engaging spaces. The first engaging space extends between the first and second jaws. The second engaging space extends between the third jaw and a surface facing the third jaw. The first engaging space has first, second, and third lengths defining a maximum space between first sections, a minimum space between second sections, and a minimum space between third sections of the first and second jaws, respectively. The second length is shorter than the first length. The third length is longer than the second length but shorter than the first length. The second engaging space has a fourth length defining a space between the third jaw and the surface. The fourth length is not shorter than the third length.
    Type: Application
    Filed: October 24, 2014
    Publication date: April 28, 2016
    Inventor: Mou-Tang Liou
  • Patent number: 9162351
    Abstract: A multi-function tool includes a shank body, a pry bar, at least one clutch, a foot hold, and a fine adjustment mechanism. The shank body includes a plurality of located grooves. The pry bar includes a first receptacle adapted for the shank body inserted therethrough. The foot hold is mounted on the shank body. The fine adjustment mechanism for fine adjusting the pry bar is mounted on the shank body and engaged with the pry bar and includes at least one second receptacle. Furthermore, the at least one clutch is disposed in the at least one second receptacle and alternatively engaged with a selective one of the plurality of located grooves of the shank body Furthermore, the pry bar is adapted to be fine adjustably moved through a distance smaller than a pitch between two adjacent located grooves.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: October 20, 2015
    Inventor: Mou-Tang Liou
  • Patent number: 9073182
    Abstract: A screwing tool includes an engaging member adapted to be gripped as a handle including a first inserting member. A biasing member is received within the engaging member. A driving member includes a driving head and a guiding groove at two different ends. The guiding groove receives the first inserting member. The first inserting member interconnects the engaging member and the driving member. The biasing member is disposed between the driving member and the engaging member. A control ring receives the driving member and is selectively movable between a first position disposed at a first relative position with respect to the engaging member and in which the screwing tool becomes an impact screwdriver, and a second position disposed at a second relative position with respect to the engaging member and in which the screwing tool becomes a regular screwdriver.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: July 7, 2015
    Inventor: Mou-Tang Liou
  • Publication number: 20150014612
    Abstract: A pry bar includes a body and a claw disposed at a first end of the body. The claw includes a rib and wing structure. The rib and wing structures are both extended away from the body in a first direction. The rib and wing structures are disposed at front and back sides of the claw respectively, with the front side opposite the back side. The rib and wing structures each have a width extended in a second direction transverse to the first direction, with the width of the rib structure different from that of the wing structure. The rib structure reinforces structural strength of the claw and the wing structure provides the claw with a greater support area to contact with a surface with which an objected to be pried is engaged.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 15, 2015
    Inventor: Mou-Tang Liou
  • Publication number: 20140116204
    Abstract: A screwing tool includes an engaging member adapted to be gripped as a handle including a first inserting member. A biasing member is received within the engaging member. A driving member includes a driving head and a guiding groove at two different ends. The guiding groove receives the first inserting member. The first inserting member interconnects the engaging member and the driving member. The biasing member is disposed between the driving member and the engaging member. A control ring receives the driving member and is selectively movable between a first position disposed at a first relative position with respect to the engaging member and in which the screwing tool becomes an impact screwdriver, and a second position disposed at a second relative position with respect to the engaging member and in which the screwing tool becomes a regular screwdriver.
    Type: Application
    Filed: October 31, 2012
    Publication date: May 1, 2014
    Inventor: Mou-Tang Liou
  • Patent number: 8550437
    Abstract: A tool includes a handle, a working device, a positioning device, a clamping device, and a fine adjustment mechanism. The handle includes a pivotal end, a grip end, and a plurality of retaining sections. The working device is pivotally connected to the pivotal end of the handle. The positioning device is moveable between a fixing position and an adjusting position. The clamping device is adjustably positioned on the handle. The fine adjustment mechanism for fine adjusting the clamping device is adjustably positioned on the handle and engaged with the clamping device. The fine adjustment mechanism includes at least one positioning unit alternatively engaged with a selective one of the plurality of retaining sections to fix the clamping device to the handle in position. The clamping device is adapted to be fine adjustably moved through a distance smaller than a pitch between two adjacent retaining sections.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: October 8, 2013
    Inventor: Mou-Tang Liou
  • Patent number: 8408099
    Abstract: A tool includes a handle including a pivotal end, a holding end held by the user in use of the tool and a plurality of teeth formed on an outer periphery of the pivotal end. A first working head includes a pivotal end coupled to the pivotal end of the handle pivotally, a working end engaged with a work piece desired to be driven and an aperture between the pivotal end of the first working head and the working end. A positioning unit includes a positioning plate and an elastic element received in the aperture, with the positioning plate hooking the first working head and pressing the elastic element of the positioning unit respectively. A restricted portion protrudes from the positioning plate between two ends of the positioning plate toward the pivotal end of the handle.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: April 2, 2013
    Inventor: Mou-Tang Liou
  • Publication number: 20120223279
    Abstract: A tool includes a handle, a working device, a positioning device, a clamping device, and a fine adjustment mechanism. The handle includes a pivotal end, a grip end, and a plurality of retaining sections. The working device is pivotally connected to the pivotal end of the handle. The positioning device is moveable between a fixing position and an adjusting position. The clamping device is adjustably positioned on the handle. The fine adjustment mechanism for fine adjusting the clamping device is adjustably positioned on the handle and engaged with the clamping device. The fine adjustment mechanism includes at least one positioning unit alternatively engaged with a selective one of the plurality of retaining sections to fix the clamping device to the handle in position. The clamping device is adapted to be fine adjustably moved through a distance smaller than a pitch between two adjacent retaining sections.
    Type: Application
    Filed: May 14, 2012
    Publication date: September 6, 2012
    Inventor: Mou-Tang Liou
  • Publication number: 20120175574
    Abstract: A multi-function tool includes a shank body, a pry bar, at least one clutch, a foot hold, and a fine adjustment mechanism. The shank body includes a plurality of located grooves. The pry bar includes a first receptacle adapted for the shank body inserted therethrough. The foot hold is mounted on the shank body. The fine adjustment mechanism for fine adjusting the pry bar is mounted on the shank body and engaged with the pry bar and includes at least one second receptacle. Furthermore, the at least one clutch is disposed in the at least one second receptacle and alternatively engaged with a selective one of the plurality of located grooves of the shank body Furthermore, the pry bar is adapted to be fine adjustably moved through a distance smaller than a pitch between two adjacent located grooves.
    Type: Application
    Filed: March 22, 2012
    Publication date: July 12, 2012
    Inventor: Mou-Tang Liou
  • Patent number: 8215617
    Abstract: A prying tool includes a shank having an engaging portion and two prongs moveably mounted on the engaging portion of the shank. The prongs define a space therebetween such that an item to be pried is received in the space. The prongs are operably moveable so that the space is variable in size. Further, two positioning devices are utilized for holding the two prongs stationary with respect to the engaging portion of the shank respectively.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: July 10, 2012
    Inventor: Mou-Tang Liou
  • Patent number: 8201806
    Abstract: A tool adapted for prying includes a handle including a pivotal end and a grip end, with the pivotal end having a through-hole. A working device has first and second ends. The first end of the working device is pivotally connected to the pivotal end of the handle and includes a positioned hole formed transversely and a cavity formed longitudinally and communicating with the positioned hole, with the positioned hole corresponding to the through-hole. A positioning device is disposed at the through-hole, the positioned hole and the cavity and moveable between a fixing position and an adjusting position.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: June 19, 2012
    Inventor: Mou-Tang Liou
  • Patent number: 8177191
    Abstract: A multi-function tool comprises a shank body including a plurality of located grooves aligned thereon longitudinally; a pry bar including a first section, a second section extending from the first section for prying, a first receptacle longitudinally piercing the first section for slidably mounted on the shank body and two second receptacles transversely piercing the first section and in communication with the first receptacle; two clutches respectively disposed in the second receptacles for alternatively engaging with a selective one of the located grooves; and a foot hold disposed onto the bottom of the first receptacle; wherein the second end of the shank body is inserted through the first receptacle of the pry bar and installed to the foot hold, with the foot hold being able to rotate relative to the shank body.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: May 15, 2012
    Inventor: Mou-Tang Liou
  • Publication number: 20120006159
    Abstract: A tool comprises a handle including a pivotal end, a holding end held by user in use of the tool and a plurality of teeth formed on an outer periphery of the pivotal end; a first working head including a pivotal end coupled to the pivotal end pivotally, a working end engaged with a work piece desired to be driven and an aperture between the pivotal end and the working end; and a positioning unit including a positioning plate and an elastic element received in the aperture, with the positioning plate hooking the first working head and pressing the elastic element of the positioning unit respectively, with a restricted portion protruding from of the positioning plate between two ends of the positioning plate toward the pivotal end
    Type: Application
    Filed: July 9, 2010
    Publication date: January 12, 2012
    Inventor: Mou-Tang Liou
  • Publication number: 20100207081
    Abstract: A tool adapted for prying comprises a handle including a pivotal end and a grip end, with the pivotal end having a through-hole; a working device having first and second ends, with the first end of the working device pivotally connected to the pivotal end of the handle and including a positioned hole formed transversely and a cavity formed longitudinally and communicating with the positioned hole, with the positioned hole corresponding to the through-hole; and a positioning device disposed at the through-hole, the positioned hole and the cavity and moveable between a fixing position and an adjusting position.
    Type: Application
    Filed: February 16, 2009
    Publication date: August 19, 2010
    Inventor: Mou-Tang LIOU
  • Publication number: 20100207082
    Abstract: A tool includes a handle and a prying device pivotally connected to the handle and positionable at various pivoting positions with respect to the handle. The prying device is engagable with an item to be pried and the handle is utilized as a lever to extract the item efficiently. The tool also includes a clamping device adjustably positionable on the handle, and the clamping device and prying device are cooperatable to hold an item therebetween.
    Type: Application
    Filed: February 16, 2009
    Publication date: August 19, 2010
    Inventor: Mou-Tang LIOU
  • Patent number: 7774882
    Abstract: A multi-function tool has a shank body including a first end, a second end and a plurality of positioning grooves formed between the first and second ends thereof. A pry bar includes a connected section and a working section extending from a side of the connected section for pulling nails. A through-hole pierces the connected section for slidably receiving the shank body, with a second receptacle piercing the connected section and in communication with the through-hole. A clutch is disposed in the second receptacle for alternatively engaging with a selected one of the positioning grooves.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: August 17, 2010
    Inventor: Mou-Tang Liou
  • Patent number: D777005
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: January 24, 2017
    Inventor: Mou-Tang Liou