CH

C. David Hale

EC Electric Eel Manufacturing Company: 6 patents #1 of 2Top 50%
📍 Wilmington, OH: #26 of 170 inventorsTop 20%
🗺 Ohio: #11,686 of 73,341 inventorsTop 20%
Overall (All Time): #738,142 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9009906 Motorized drain cleaning machine Alfred P. Horning 2015-04-21
8615837 Motorized drain cleaning machine with speed controller Alfred P. Horning 2013-12-31
7891038 Sewer cleaning machine 2011-02-22
7757332 Sewer cleaning machine 2010-07-20
7222383 Torque limiting drive pulley for a belt driven drain cleaning machine 2007-05-29
5875508 Hydrostatic sewer cleaning machine 1999-03-02
4887929 Cable coupler 1989-12-19