Patents in the B26B21/30 category
Patent DE380557
Invention Rasierhobel
Filed Sunday, 23rd October 1921
Published Saturday, 8th September 1923
Inventors Karl Dahl, Walter Flügel, Walter Ohliger
Language German
The patent the Mulcuto patent DE444361 is based upon.
Patent DE444361
Invention Rasierhobel
Filed Saturday, 9th October 1926
Published Monday, 16th May 1927
Inventor Paul Müller
Owner Mulcuto-Werk Paul Müller & Co.
Language German
1927 — German patent for the '1924' razor
Patent DE450267
Invention Sicherheitsrasierhobel
Filed Wednesday, 16th January 1924
Published Thursday, 15th September 1927
Inventor Julius Bueno de Mesquita
Language German
Other countries US1488907
Patent GB568686
Invention Safety Razor
Filed Monday, 11th October 1943
Published Monday, 16th April 1945
Inventor James Clarence Friel
Language English
1910 — The '1924' razor design as patented in 1909/1910
Patent GB190914526
Invention Improvements in or relating to Safety Razors
Filed Monday, 21st June 1909
Published Tuesday, 21st June 1910
Inventor Julius Bueno de Mesquita
Language English
Other countries US1135775
1906 — Clauss Automatic Twist-To-Open Razor
Patent US838009
Invention Safety-Razor
Filed Monday, 15th October 1906
Published Tuesday, 11th December 1906
Inventor Henrie Clauss
Language English
Probably the first twist-to-open razor
1907 — Schmachtenberg Bros. Alpha/Perfect Safety Razors
Patent US840965
Invention Safety-Razor
Filed Wednesday, 25th July 1906
Published Tuesday, 8th January 1907
Inventor William Schmachtenberg
Language English
Patent US850929
Invention Safety-Razor
Filed Tuesday, 4th December 1906
Published Tuesday, 23rd April 1907
Inventor Franz Josef Halbekann
Owner Wolferts & Co.
Language English
1907 — Swing-To-Open Single Edge Razor
Patent US860917
Invention Safety-Razor
Filed Friday, 31st August 1906
Published Tuesday, 23rd July 1907
Inventor Frederick H. Hoffmann
Language English
Patent US863889
Invention Safety-Razor
Filed Saturday, 3rd March 1906
Published Tuesday, 20th August 1907
Inventor Frank E. Wilcox
Language English
Patent US866856
Invention Safety-Razor
Filed Monday, 24th April 1905
Published Tuesday, 24th September 1907
Inventor Edward B. Gibford
Owner American Safety Razor Co.
Language English
Patent US882413
Invention Razor
Filed Monday, 24th April 1905
Published Tuesday, 17th March 1908
Inventor John Elmer Parkison
Language English
Patent US892708
Invention Safety-Razor
Filed Monday, 4th March 1907
Published Tuesday, 7th July 1908
Inventor Horace S. Buckland
Language English
Patent US892709
Invention Safety-Razor
Filed Monday, 4th March 1907
Published Tuesday, 7th July 1908
Inventor Horace S. Buckland
Language English
1908 — Adjustable Single Edge Razor
Patent US904861
Invention Safety-Razor Frame
Filed Thursday, 9th January 1908
Published Tuesday, 24th November 1908
Inventor Benno Gallinek
Language English
Patent US905913
Invention Safety-Razor
Filed Monday, 19th August 1907
Published Tuesday, 8th December 1908
Inventor Walter H. Nicholls
Owner Gillette Safety Razor Company
Language English
Patent US906203
Invention Safety-Razor
Filed Saturday, 18th July 1908
Published Tuesday, 8th December 1908
Inventor Terence F. Curley
Language English
1910 — Zinn Automatic Razor with narrow blade
Patent US960424
Invention Cutting-Blade For Razors
Filed Tuesday, 23rd May 1905
Published Tuesday, 7th June 1910
Inventor Walter J. Smart
Owner Simon Zinn
Language English
1910 — Lather Catcher SE Razor
Patent US962531
Invention Holder or Frame for Safety-Razor
Filed Friday, 23rd August 1907
Published Tuesday, 28th June 1910
Inventor William Schmidt
Owners Arthur, Martin and Mary Zinn
Language English
Patent US998009
Invention Safety-Razor
Filed Monday, 5th December 1910
Published Tuesday, 18th July 1911
Inventor Floyd D. Jones
Language English
1911 — Maxixe Boudoir Safety Razor
Patent US1008565
Invention Safety-Razor
Filed Monday, 10th July 1911
Published Tuesday, 14th November 1911
Inventor Eugene F. Schoell
Owner Traut & Hine Manufacturing Company
Language English
Patent US1013602
Invention Safety-Razor Frame
Filed Monday, 28th November 1910
Published Tuesday, 2nd January 1912
Inventor Richard Kampfe, Jr.
Language English
Patent US1018783
Invention Safety Razor
Filed Wednesday, 15th September 1909
Published Tuesday, 27th February 1912
Inventor August William Scheuber
Owner Simon Zinn
Language English
The patent that got me started on patents. Read it with a 1912 in your hand and admire its elegance. August W. Scheuber, I admire you.
Patent US1076286
Invention Safety-Razor
Filed Tuesday, 11th March 1913
Published Tuesday, 21st October 1913
Inventor Ernest N. Humphrey
Owner Traut & Hine Manufacturing Company
Language English
Found as Barnum, Boston, B&R Sanitary, Calista, Dandy, Sanita
Patent US1091436
Invention Razor
Filed Wednesday, 12th February 1913
Published Tuesday, 24th March 1914
Inventor Joseph Kaufman
Language English
1915 — The US patent for the '1924' razor design
Patent US1135775
Invention Safety-Razor
Filed Friday, 3rd December 1909
Published Tuesday, 13th April 1915
Inventor Julius Bueno de Mesquita
Language English
Other countries GB190914526
1915 — The US patent for the '1924' razor design – (Part 2)
Patent US1135776
Invention Safety-Razor
Filed Tuesday, 28th July 1914
Published Tuesday, 13th April 1915
Inventor Julius Bueno de Mesquita
Language English
1915 — Star Super Six (little lidless lather catcher)
Patent US1146868
Invention Satefy-Razor
Filed Tuesday, 18th August 1914
Published Tuesday, 20th July 1915
Inventor William F. Groschopp
Owner Kampfe Bros.
Language English
1921 — The Last Kampfe Razor Patent
Patent US1391478
Invention Safety-Razor
Filed Friday, 26th March 1920
Published Tuesday, 20th September 1921
Inventor Otto Kampfe
Owners Otto Kampfe, Henry C. Walker
Language English
Patent US1485093
Invention Safety Razor
Filed Thursday, 20th April 1922
Published Tuesday, 26th February 1924
Inventor Stuart Speirs
Language English
Patent US1488907
Invention Safety Razor
Filed Monday, 18th December 1922
Published Tuesday, 1st April 1924
Inventor Julius Bueno de Mesquita
Owner American Safety Razor Corporation
Language English
Other countries DE450267
1929 — Improvements for the '1924' razor
Patent US1729657
Invention Safety Razor
Filed Wednesday, 27th July 1927
Published Tuesday, 1st October 1929
Inventor Julius Bueno de Mesquita
Owner American Safety Razor Corporation
Language English
1929 — Gem Micromatic Razor and Blades
Patent US1739280
Invention Razor and Blade therefor
Filed Saturday, 2nd February 1929
Published Tuesday, 10th December 1929
Inventor Marcus B. Behrman
Owner American Safety Razor Corporation
Language English
Patent US1773614
Invention Safety Razor
Filed Sunday, 27th July 1930
Published Tuesday, 19th August 1930
Inventor Godfrey Dalkowitz
Owner American Safety Razor Corporation
Language English
Patent US2089486
Invention Nasal Razor
Filed Thursday, 12th July 1934
Published Tuesday, 10th August 1937
Inventor Charles Kuhn
Language English
Patent US2337595
Invention Safety Razor
Filed Thursday, 7th January 1943
Published Tuesday, 28th December 1943
Inventor James Clarence Friel
Language English