Patents by Inventor Liam Patrick Ellis
Liam Patrick Ellis 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).
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Publication number: 20220240949Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling. At least one recess has a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: April 25, 2022Publication date: August 4, 2022Applicant: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick ELLIS
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Patent number: 11337709Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling. At least one recess has a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: May 8, 2019Date of Patent: May 24, 2022Assignee: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Publication number: 20190262007Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling. At least one recess has a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: May 8, 2019Publication date: August 29, 2019Inventor: Liam Patrick Ellis
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Patent number: 10335167Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced while drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: August 10, 2015Date of Patent: July 2, 2019Assignee: SURGIBIT IP HOLDINGS PTY LIMITEDInventor: Liam Patrick Ellis
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Patent number: 10092341Abstract: A screw has a screw tip defined at a forward end of the screw. A screw head is formed at a rear end of the screw. A screw thread helically extends from adjacent the screw tip towards the screw head. The screw thread has a series of successive screw thread portions each helically extending through 360 degrees. At least one flute extends from adjacent the screw tip towards the screw head through at least one of the screw thread portions. For each flute, a leading edge region of each of at least one screw thread portion through which the flute extends is convexly curved. Each leading edge region is defined by a trailing wall of the flute adjacent a crest of the respective screw thread portion.Type: GrantFiled: September 25, 2013Date of Patent: October 9, 2018Assignee: LMM IP HOLDINGS PTY LTDInventor: Liam Patrick Ellis
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Publication number: 20160166260Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: August 10, 2015Publication date: June 16, 2016Inventor: Liam Patrick Ellis
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Publication number: 20150230844Abstract: A screw (1) has a screw tip (2) defined at a forward end of the screw (1). A screw head (3) is formed at a rear end of the screw (1). A screw thread (10) helically extends from adjacent the screw tip (2) towards the screw head (3). The screw thread (10) has a series of successive screw thread portions (11) each helically extending through 360 degrees. At least one flute (20) extends from adjacent the screw tip (2) towards the screw head (3) through at least one of the screw thread portions (11). For each flute (10), a leading edge region (15) of each of at least one screw thread portion (11) through which the flute (20) extends is convexly curved. Each leading edge region (15) is defined by a trailing wall (21) of the flute (20) adjacent a crest (12) of the respective screw thread portion (11).Type: ApplicationFiled: September 25, 2013Publication date: August 20, 2015Applicant: LLM IP Holdings Pty Ltd.Inventor: Liam Patrick Ellis
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Patent number: 9078670Abstract: A drill bit (1) has a central axis (A) and a tapered cutting end part (2 ) terminating in a drill tip (3) at one end of the drill bit (1), a shank (4) extending from an opposing end of the drill bit (1), and a body (4a) extending between the cutting end part (2) and the shank (4). A plurality of flutes (5) are formed in the drill bit (1) and helically extend along the body (4a) into the cutting end part (2). Each flute (5) has a flute leading side wall (6) and a flute trailing side wall (7). A land (9) is defined on the body (4a) between each of the flutes (5) and extends to the cutting end part (2). In any body cross-sectional plane extending perpendicular to the central axis (A) through the body (4a), a land leading edge region (11) of each land (9) adjoining the flute trailing side wall (7) of a leading adjacent flute (5) is convexly curved.Type: GrantFiled: November 25, 2011Date of Patent: July 14, 2015Assignee: CPL HOLDINGS PTY. LTD.Inventor: Liam Patrick Ellis
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Publication number: 20130317508Abstract: A drill bit (1) has a tapered cutting end part (2) terminating in a drill tip (3), a shank (4) and a body (4a) extending between the cutting end part (2) and the shank (4). A plurality of flutes (5) are formed in the drill bit (1) and generally helically extend along the body (4a) into the cutting end part (2) to adjacent the drill tip (3). Each flute (5) has a flute leading side wall (6) and a flute trailing side wall (7). A land (9) is defined on the body (4a) between each of the flutes (5) and extends to the cutting end part (2). Each land (9) defines a secondary edge (11) with the flute trailing side wall (7) of the leading adjacent flute (5). Each secondary edge (11) helically extends to the cutting end part (2) at a secondary edge helix angle. A plurality of tip faces (14) are defined on the cutting end part (2) and each extend from one of the lands (9) to the drill tip (3). The tip faces (14) are separated by the flutes (5) up to adjacent the drill tip (3).Type: ApplicationFiled: February 10, 2012Publication date: November 28, 2013Applicant: CPL Holdings Pty. Ltd.Inventor: Liam Patrick Ellis
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Publication number: 20130296866Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: April 12, 2013Publication date: November 7, 2013Inventor: Liam Patrick Ellis
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Publication number: 20130253521Abstract: A drill bit (1) has a central axis (A) and comprises a tapered cutting end part (2) terminating in a drill tip (3) at one end of the drill bit (1), a shank (4) extending from an opposing end of the drill bit (1), and a body (4a) extending between the cutting end part (2) and the shank (4). A plurality of flutes (5) are formed in the drill bit (1) and helically extend along the body (4a) into the cutting end part (2). Each flute (5) has a flute leading side wall (6) and a flute trailing side wall (7). A land (9) is defined on the body (4a) between each of the flutes (5) and extends to the cutting end part (2). In any body cross-sectional plane extending perpendicular to the central axis (A) through the body (4a), a land leading edge region (11) of each land (9) adjoining the flute trailing side wall (7) of a leading adjacent flute (5) is convexly curved.Type: ApplicationFiled: November 25, 2011Publication date: September 26, 2013Applicant: CPL HOLDINGS PTY. LTD.Inventor: Liam Patrick Ellis
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Patent number: 8475459Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: December 14, 2011Date of Patent: July 2, 2013Assignee: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Publication number: 20130006248Abstract: A drill bit (1) having a central axis (A) has a tapered cutting end (2) part terminating in a drill tip (3) at one end of the drill bit (1) and a shank (4) extending from an opposing end of the drill bit (1). A plurality of flutes (5) are formed in the drill bit (1) and helically extend from adjacent the shank (4) into the cutting end part (2). Each flute (5) has a flute leading side wall (6) and a flute trailing side wall (7) and a land (9) defined between each of the flutes (5) and extending to the tapered cutting end part (2). Each land (9) has a leading land margin (10) defining a secondary cutting edge (11) with the flute trailing side wall (7) of a leading adjacent flute (5). Each land (9) also has a land relief (12) extending from the land margin (10) toward a trailing adjacent flute (5). Each land (9) still further has a land transition region (12) blending the land relief (12) into the flute leading side wall (6) of the trailing adjacent flute (5).Type: ApplicationFiled: March 18, 2011Publication date: January 3, 2013Applicant: CPL Holdings Pty. Ltd.Inventor: Liam Patrick Ellis
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Publication number: 20120158000Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Patent number: 8172845Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced while drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: October 1, 2008Date of Patent: May 8, 2012Assignee: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Patent number: 8162945Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced while drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: October 1, 2008Date of Patent: April 24, 2012Assignee: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Patent number: 7892235Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: GrantFiled: August 7, 2003Date of Patent: February 22, 2011Assignee: Surgibit IP Holdings Pty LimitedInventor: Liam Patrick Ellis
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Publication number: 20090222009Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: October 1, 2008Publication date: September 3, 2009Applicant: SURGIBIT IP HOLDINGS PTY LIMITEDInventor: Liam Patrick Ellis
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Publication number: 20090216235Abstract: A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape. One or more recesses are provided for directing away debris produced whilst drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.Type: ApplicationFiled: October 1, 2008Publication date: August 27, 2009Applicant: SURGIBIT IP HOLDINGS PTY LIMITEDInventor: Liam Patrick Ellis
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Patent number: D523398Type: GrantFiled: September 3, 2004Date of Patent: June 20, 2006Assignee: Surgibit IP Holdings PTY LimitedInventor: Liam Patrick Ellis