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L. Stephen Buchanan
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Santa Barbara, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-cannula negative pressure irrigation system
Patent number
11,717,388
Issue date
Aug 8, 2023
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Anatomic apparatus and training system for remote and interactive h...
Patent number
11,605,310
Issue date
Mar 14, 2023
Dental Education Laboratories, Inc.
L. Stephen Buchanan
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Grant
Self-heating electric plugger/syringe needle for use in filling a r...
Patent number
11,471,249
Issue date
Oct 18, 2022
Dental Education Laboratories, Inc.
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Anatomic apparatus and training system for remote and interactive h...
Patent number
11,049,415
Issue date
Jun 29, 2021
Dental Education Laboratories, Inc.
L. Stephen Buchanan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Multi-cannula negative pressure irrigation system
Patent number
10,779,920
Issue date
Sep 22, 2020
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Self-heating electric plugger/syringe needle for use in a root canal
Patent number
10,729,514
Issue date
Aug 4, 2020
Dental Education Laboratories, Inc.
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Fluted endodontic file
Patent number
10,543,060
Issue date
Jan 28, 2020
Ormco Corporation
Carlos A. Aloise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Radio-opaque 3D printing ink
Patent number
10,501,651
Issue date
Dec 10, 2019
L. Stephen Buchanan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Endodontic instruments with pilot tips and parabolic cutting flutes
Patent number
10,420,629
Issue date
Sep 24, 2019
Ormco Corporation
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Endodontic therapy system, apparatus and method making use of a dis...
Patent number
9,750,582
Issue date
Sep 5, 2017
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental obturator
Patent number
8,986,006
Issue date
Mar 24, 2015
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Variable land, multiple height flute contour design for endodontic...
Patent number
8,408,901
Issue date
Apr 2, 2013
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apex locator for endodontic procedures
Patent number
7,993,138
Issue date
Aug 9, 2011
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental obturator
Patent number
7,942,673
Issue date
May 17, 2011
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
X-ray imaging and positioner
Patent number
7,695,191
Issue date
Apr 13, 2010
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tip wrench for ultrasonic dental tool
Patent number
7,604,479
Issue date
Oct 20, 2009
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medical treatment apparatus
Patent number
7,448,867
Issue date
Nov 11, 2008
Ormco Corporation
Carlos A. Aloise
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Motor control system for endodontic handpiece providing dynamic tor...
Patent number
6,955,536
Issue date
Oct 18, 2005
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental instruments for use with ultrasonic handpieces
Patent number
6,722,882
Issue date
Apr 20, 2004
Earth City Technologies, Inc.
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Root canal preparation method
Patent number
6,053,735
Issue date
Apr 25, 2000
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Anti-curvature dental root canal shaping file
Patent number
4,836,780
Issue date
Jun 6, 1989
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Endodontic root canal file bending pliers
Patent number
4,708,651
Issue date
Nov 24, 1987
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Anatomic Apparatus and Training System for Remote and Interactive H...
Publication number
20230360560
Publication date
Nov 9, 2023
Dental Education Laboratories, Inc.
L. Stephen Buchanan
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
VACUUM DRAWN IRRIGATION FOLLOWED BY INSTANT OBTURATION OF A ROOT CA...
Publication number
20230135573
Publication date
May 4, 2023
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Anatomic Apparatus and Training System for Remote and Interactive H...
Publication number
20210398453
Publication date
Dec 23, 2021
Dental Education Laboratories, Inc.
L. Stephen Buchanan
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
Multi-Cannula Negative Pressure Irrigation System
Publication number
20210059799
Publication date
Mar 4, 2021
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Self-Heating Electric Plugger/Syringe Needle for Use in Filling a R...
Publication number
20210045841
Publication date
Feb 18, 2021
Dental Education Laboratories, Inc.
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Anatomic Apparatus And Training System For Remote And Interactive H...
Publication number
20190005850
Publication date
Jan 3, 2019
Dental Education Laboratories, Inc.
L. Stephen Buchanan
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
ENDODONTIC INSTRUMENTS WITH PILOT TIPS AND PARABOLIC CUTTING FLUTES
Publication number
20180360561
Publication date
Dec 20, 2018
Ormco Corporation
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Self-Heating Electric Plugger/Syringe Needle For Use In A Root Canal
Publication number
20180353262
Publication date
Dec 13, 2018
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Multi-Cannula Negative Pressure Irrigation System
Publication number
20180338821
Publication date
Nov 29, 2018
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Radio-Opaque 3D Printing Ink
Publication number
20180340086
Publication date
Nov 29, 2018
L. Stephen Buchanan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
FLUTED ENDODONTIC FILE
Publication number
20170156818
Publication date
Jun 8, 2017
Ormco Corporation
Carlos A. Aloise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ENDODONTIC INSTRUMENTS WITH PILOT TIPS AND PARABOLIC CUTTING FLUTES
Publication number
20140057226
Publication date
Feb 27, 2014
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRASONIC TIPS
Publication number
20110256505
Publication date
Oct 20, 2011
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DENTAL OBTURATOR
Publication number
20110217669
Publication date
Sep 8, 2011
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Apex Locator For Endodontic Procedures
Publication number
20090053666
Publication date
Feb 26, 2009
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ATTACHABLE PACKAGES FOR THIN, ELONGATED DEVICES
Publication number
20080283526
Publication date
Nov 20, 2008
L. Stephen Buchanan
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Tip wrench for ultrasonic dental tool
Publication number
20080096163
Publication date
Apr 24, 2008
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Obturators
Publication number
20080014554
Publication date
Jan 17, 2008
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Variable-land, multiple height flute contour design for endodontic...
Publication number
20070026360
Publication date
Feb 1, 2007
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Endodontic instruments with pilot tips and parabolic cutting flutes
Publication number
20060228667
Publication date
Oct 12, 2006
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Medical treatment apparatus and needle manufacturing method
Publication number
20060063126
Publication date
Mar 23, 2006
Carlos A. Aloise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Endodontic instruments with pilot tips and parabolic cutting flutes
Publication number
20050214711
Publication date
Sep 29, 2005
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Multi-tapered dental files
Publication number
20050026109
Publication date
Feb 3, 2005
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dental instruments for use with ultrasonic handpieces
Publication number
20030157458
Publication date
Aug 21, 2003
L. Stephen Buchanan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE