Patent · US Active

Two stage grinder particularly suitable for medical waste disposal

US10843201B2 · kind B2 · utility

1Cited by

15References

11Claims

0Family size

Assignee

Spectrum Medical Lending, LLC · US

Inventors

Duane Delfosse · Windham, US
Jeffrey H. Bell · Wilmington, US
Peter Bates · Framingham, US

Key dates

Filing date	Oct 3, 2017
Grant date	Nov 24, 2020
Priority date	—
Expiry date	Jun 24, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB09B2101/65
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Featured are a two-stage grinder, an apparatus embodying same and methods related thereto. Such a medical waste grinder includes a first stage and a second stage. The first stage includes spring loaded cutter stacks mounted on two adjacent shafts between two edge plates, each of the cutter stacks including cutters arranged in a helix to create space, each cutter including a number of teeth per blade and including a major diameter and a minor diameter, each cutter turning opposite a fixed counter knife enabling a pinching action against the teeth of the cutter. The second stage includes spring loaded cutter stacks.

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