Inventor · disambiguated record
William D. Ellsworth
Also filed as: ELLSWORTH WILLIAM D
4 granted patents·43 citations·filing 1983–2012
75Inventor score
Top patents by PatentIndex Score
4 records- 0175US8740229B2Slope traversing system for zero turning radius vehiclesELLSWORTH WILLIAM D·Filed 2012·Granted Jun 3, 2014·11 cites·25 claims
- 0254US5529659AMachine and associated apparatus for attaching zippers to plastic bagsPROVEN DESIGNS INC·Filed 1994·Granted Jun 25, 1996·20 cites·12 claims
- 0337US5749822AGusset folding mechanism and method for plastic bag making machinePROVEN DESIGNS INC·Filed 1996·Granted May 12, 1998·10 cites·13 claims
- 0424US4540026APneumatic potentiometerELLSWORTH WILLIAM D·Filed 1983·Granted Sep 10, 1985·2 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when William D. Ellsworth files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →