PatentBrief

Inventor

Herbert L Johnston

Patents indexed

1

Year range

1918

Associated with

Years active

1918

Total patents

1

Most recent

1918

Frequent collaborator

Thomas F Rataiczak

Domains

mechanicalconsumer_electronics

Activity by decade

1910s
1

Patents

1

Career timeline

1 patents, in 1918

Dot size = forward citations

19181919

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 1264128·1918·Hobart Manfacturing Co

How Early Industrial Food Mixers Used Planetary Gear Systems

A 1918 patent for a heavy-duty industrial mixing machine that used a specific gear arrangement to rotate a beater while simultaneously moving it around the bowl.

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