Pencil Sharpener Patents (Class D19/73)
Crank type (Class D19/74)
  • Pencil sharpener
    Patent number: D638473
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: May 24, 2011
    Assignee: Elmer's Products, Inc.
    Inventors: Igor Zemskov, Michael Schumacher
  • Pencil sharpener
    Patent number: D638474
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: May 24, 2011
    Assignee: Elmer's Products, Inc.
    Inventors: Hongjie Yang, Ben Dunlap
  • Pencil sharpener
    Patent number: D639858
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: June 14, 2011
    Assignee: Elmer's Products, Inc.
    Inventors: Jeffrey Ras, Michael Schumacher
  • Pencil sharpener
    Patent number: D641413
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: July 12, 2011
    Assignee: Smith News Company, Inc.
    Inventor: Enrico Urbistando
  • Pencil sharpener
    Patent number: D642215
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: July 26, 2011
    Assignee: MAPED
    Inventors: Daniel Racamier, Eric Gosse, Helene Legac
  • Pencil sharpener
    Patent number: D645514
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: September 20, 2011
    Inventors: Charles Sued, Aron Abramson, Joby Thomas
  • Pencil sharpener
    Patent number: D646721
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: October 11, 2011
    Assignee: Amax International Ltd.
    Inventors: Noah Dingler, Patrick Nolan
  • Pencil sharpener
    Patent number: D647140
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: October 18, 2011
    Inventor: Ivan M. Ray
  • Electric pencil sharpener
    Patent number: D669131
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: October 16, 2012
    Assignee: Elmer's Products, Inc.
    Inventors: Benjamin C. Dunlap, Anthony Brooks Rorke
  • Electric pencil sharpener
    Patent number: D669132
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: October 16, 2012
    Assignee: Elmer's Products, Inc.
    Inventors: Benjamin C. Dunlap, Anthony Brooks Rorke
  • Electric pencil sharpener
    Patent number: D670337
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: November 6, 2012
    Assignee: Elmer's Products, Inc.
    Inventors: Benjamin C. Dunlap, Anthony Brooks Rorke
  • Electric pencil sharpener
    Patent number: D670338
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: November 6, 2012
    Assignee: Elmer's Products, Inc.
    Inventors: Benjamin C. Dunlap, Anthony Brooks Rorke
  • Pencil sharpener
    Patent number: D673611
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: January 1, 2013
    Assignee: Kikkerland Design, Inc.
    Inventor: Ren Wei He
  • Pencil sharpener
    Patent number: D676489
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: February 19, 2013
    Assignee: SDI Corporation
    Inventor: Szu-Yu Chen
  • Pencil sharpener
    Patent number: D678413
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: March 19, 2013
    Assignee: SDI Corporation
    Inventor: Szu-Yu Chen
  • Pencil sharpener
    Patent number: D678414
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: March 19, 2013
    Assignee: SDI Corporation
    Inventor: Szu-Yu Chen
  • Coin stacker and pencil sharpener
    Patent number: D690895
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: October 1, 2013
    Assignee: Mag-Nif Incorporated
    Inventor: William Knox, Jr.
  • Pencil sharpener
    Patent number: D705354
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: May 20, 2014
    Assignee: Shanghai FLOMO Fancy Stationery Co., Ltd.
    Inventor: Ching Tai Shen
  • Pencil sharpener
    Patent number: D705864
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: May 27, 2014
    Inventor: Guanghui Tong
  • Pencil sharpener
    Patent number: D708668
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: July 8, 2014
    Assignee: Eisen GmbH
    Inventor: Najine Ameli
  • Pencil sharpener
    Patent number: D718813
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: December 2, 2014
    Assignee: Elmer's Products, Inc.
    Inventors: Scott Michael Cline, James Ryan Eder
  • Pencil sharpener
    Patent number: D718814
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: December 2, 2014
    Assignee: Elmer's Products, Inc.
    Inventors: Scott Michael Cline, Harlan C. Peden, III
  • Pencil sharpener
    Patent number: D720009
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: December 23, 2014
    Assignee: Elmer's Products, Inc.
    Inventors: Scott Michael Cline, James Ryan Eder
  • Pencil and crayon sharpener
    Patent number: D720808
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: January 6, 2015
    Assignee: Melissa & Doug, LLC
    Inventor: Ken Weiland
  • Container
    Patent number: D721759
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: January 27, 2015
    Assignee: The Tin Box Company of America, Inc.
    Inventor: Andrew Siegel
  • Sharpener with eraser
    Patent number: D721760
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: January 27, 2015
    Assignee: Kemerburgaz Ofis ve Okul Gereçleri Sanayi Ticaret Anonim Şirketi
    Inventors: Numan Lir, Murat Armagan, Enes Kar, Ali Sahinkaya
  • Pencil and crayon sharpener
    Patent number: D729314
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: May 12, 2015
    Assignee: Melissa & Doug, LLC
    Inventor: Ken Weiland
  • Sharpener with eraser
    Patent number: D742966
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: November 10, 2015
    Assignee: Kemerburgaz Ofis ve Okul Gereçleri Sanayi Ticaret Anonim Şirketi
    Inventors: Numan Lir, Murat Armagan, Enes Kar, Ali Sahinkaya
  • Pencil sharpener
    Patent number: D753220
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: April 5, 2016
    Assignee: Acme United Corporation
    Inventor: Steven C. Cozzolino
  • Pencil sharpener
    Patent number: D755289
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 3, 2016
    Inventor: Stuart D. Farnworth
  • Pencil sharpener
    Patent number: D781377
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: March 14, 2017
    Inventors: Yu-Ying Kuo, Xiao-Hong Li
  • Pencil sharpener
    Patent number: D785705
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 2, 2017
    Inventor: Stuart D. Farnworth
  • Sharpener
    Patent number: D800834
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 24, 2017
    Assignee: EISEN GMBH
    Inventor: Stephan Eisen
  • Sharpener
    Patent number: D802052
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: November 7, 2017
    Assignee: EISEN GMBH
    Inventor: Stephan Eisen
  • Pencil sharpener
    Patent number: D812138
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: March 6, 2018
    Assignee: KORES HOLDING ZUG AG
    Inventor: Clemens Koreska
  • Sharpener
    Patent number: D828445
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: September 11, 2018
    Assignee: Fibro Source U.S.A. Inc.
    Inventor: Sarvjeet S. Bindra
  • Sharpener
    Patent number: D834645
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: November 27, 2018
    Assignee: Fibro Source U.S.A. Inc.
    Inventor: Sarvjeet S. Bindra
  • Pencil sharpener
    Patent number: D835717
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: December 11, 2018
    Assignee: Beifa Group Co., Ltd.
    Inventor: Jianzhe Xie
  • Pencil sharpener
    Patent number: D836718
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: December 25, 2018
    Assignee: Beifa Group Co., Ltd.
    Inventor: Jianzhe Xie
  • Pencil sharpener
    Patent number: D847900
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 7, 2019
    Assignee: Kores Holding Zug AG
    Inventor: Clemens Koreska
  • Pencil sharpener
    Patent number: D849137
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: May 21, 2019
    Inventor: Clemens Koreska
  • Pencil sharpener
    Patent number: D854085
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: July 16, 2019
    Assignee: TOKIWA CORPORATION
    Inventor: Yoshikazu Tani
  • Pencil sharpener
    Patent number: D859521
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: September 10, 2019
    Assignee: SUNWOOD HOLDING GROUP CO., LTD.
    Inventor: Xiasen Lin
  • Sharpener
    Patent number: D864295
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 22, 2019
    Assignee: EISEN GMBH
    Inventor: Stephan Eisen
  • Pencil sharpener
    Patent number: D888152
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 23, 2020
    Inventor: Qingmei Li
  • Sharpener
    Patent number: D890841
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 21, 2020
    Assignee: Shanghai Lees Manufacturing Co., Ltd.
    Inventor: Lei Xin Li
  • Pencil sharpener
    Patent number: D911439
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: February 23, 2021
    Assignee: LINKYO IP HOLDING 2, LLC
    Inventor: Michael Liu
  • Pencil sharpener
    Patent number: D912140
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 2, 2021
    Inventor: Clemens Koreska
  • Writing instrument sharpener
    Patent number: D919004
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: May 11, 2021
    Assignee: Sanford, L.P.
    Inventors: Michael Alan Jourden, Sarah Morgan Gorlick, Daniel Patrick Sedlecky, III
  • Pencil sharpener
    Patent number: D1045985
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: October 8, 2024
    Inventor: Qingmei Li