Inventor · Dearborn, MI, US

Patrick D. Ellis

23Patents
12h-index
10Co-inventors
78Inventor score

Filing activity: Apr 10, 1995 → Oct 16, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5604184A Chemically inert resin coated proppant system for control of proppant flowback in hydraulically fractured wells Emerging Cross-Sectional Technologies 133 Expired
US6302833A Multi-function exercise machine Emerging Cross-Sectional Technologies 81 Expired
US5810701A Motion translation arrangement for exercise machine Human Necessities 74 Expired
US6790162B1 Recumbent stepper with independently movable upper and lower body lever arrangements Human Necessities 62 Expired
US6932745B1 Seated stepper Human Necessities 60 Expired
US6758790B1 Low impact walking/jogging exercise machine Human Necessities 58 Expired
US6719672B1 Dual weight stack exercising machine with coupling arrangement Human Necessities 57 Expired
US6186926A Seated abdominal exercise machine Human Necessities 51 Expired
US7591761B1 Walking/jogging exercise machine with articulated cam follower arrangement Human Necessities 27 Active
US6286600A Ported sub treatment system Fixed Constructions 23 Expired
US7396319B1 Inner and outer thigh exercise machine Emerging Cross-Sectional Technologies 22 Expired
US6558303B1 Combination leg exercise machine with adjustable seat assembly Emerging Cross-Sectional Technologies 20 Expired
US6450927B1 Pivoting weight rack Human Necessities 12 Expired
US11780606B2 Landing platform including positioning arms for engaging an unmanned aerial vehicle Performing Operations; Transporting 8 Active
US6682466B1 Motion translation arrangement for limiting the rate of lever arm convergence in an exercise machine Emerging Cross-Sectional Technologies 6 Expired
US8830356B2 Method and device for composite image creation Electricity 2 Active
US8611865B1 Methods and apparatus to manage voice message system attributes Electricity 2 Active
US9292829B2 System and method for updating status information Electricity 1 Active
US8918083B2 System and method to manage visual voice mail messages Electricity 1 Active
US9832317B2 Methods and apparatus to obtain voice messages Electricity 0 Active
US8605871B2 Methods and apparatus to send voice messages Electricity 0 Active
US9014344B2 Methods and apparatus to send voice messages Electricity 0 Active
US10484536B2 Methods and apparatus to associate voice messages with missed calls Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.