Inventor · Rimouski, QC, CA

Robert Handfield

13Patents
5h-index
10Co-inventors
59Inventor score

Filing activity: Jan 23, 2007 → Jun 13, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD804729S1 Helmet General 32 Active
US8056656B2 Anti-torque system for a traction assembly Performing Operations; Transporting 15 Active
US8419041B2 Hitch Performing Operations; Transporting 14 Active
US7870914B2 Traction assembly for a vehicle Performing Operations; Transporting 13 Active
US8955925B2 Traction assembly for vehicle Performing Operations; Transporting 13 Active
US9199694B2 Slide bar for a track system Physics 4 Active
US10368605B2 Support and attachment system for helmet goggles Human Necessities 2 Active
US11202482B2 Ventilated helmet preventing deposition of fog on a protective eyewear, and a method and use of the same Human Necessities 2 Active
US11425952B2 Helmet with cheek pads and method for the use thereof Human Necessities 0 Active
US11839256B2 Ventilated helmet preventing deposition of fog on a protective eyewear, and a method and use of the same Human Necessities 0 Active
US9022394B2 Snowmobile steering ski Performing Operations; Transporting 0 Active
US9668532B2 Helmet chin curtain Human Necessities 0 Active
US11910862B2 Ventilated helmet preventing deposition of fog on a protective eyewear, and a method and use of the same Human Necessities 0 Active

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