Patent · US Active

Manual coffee grinder

US11457772B2 · kind B2 · utility

2Cited by

10References

16Claims

0Family size

Assignee

HELEN OF TROY LIMITED · BB

Inventors

Justin Michael Zernhelt · Summit, US
Larry Witt · Califon, US
James Kwon · Williston Park, US

Key dates

Filing date	Sep 4, 2019
Grant date	Oct 4, 2022
Priority date	—
Expiry date	Mar 12, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47J42/14
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A grinder includes a hopper having a top and a bottom and a shaft disposed within the hopper and configured to rotate about a shaft longitudinal axis with respect to the hopper. The shaft includes both a first end nearer to a top of the hopper as compared to a bottom of the hopper and a second end nearer to the bottom of the hopper as compared to the top of the hopper. A blade extends a radial distance outward from the shaft a smaller radial distance at a location on the shaft nearer to the first end of the shaft as compared to a second location on the shaft nearer to the second end.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.