Inventor · Oceanside, CA, US

John G. Guard

22Patents
17h-index
26Co-inventors
77Inventor score

Filing activity: Jun 11, 1999 → May 26, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6210290A Golf club and weighting system Emerging Cross-Sectional Technologies 238 Expired
US6238302A Golf club head with an insert having integral tabs Emerging Cross-Sectional Technologies 166 Expired
US6478690B2 Multiple material golf club head with a polymer insert face Human Necessities 114 Expired
US7048648B2 Putter-type golf club head with an insert Human Necessities 109 Expired
US6348012B1 Golf club and weighting system Emerging Cross-Sectional Technologies 90 Expired
US6554722B2 Golf club head Human Necessities 69 Expired
US7115041B2 Putter-type golf club head with an insert Human Necessities 67 Expired
US7144335B2 Putter-type golf club head with an insert Human Necessities 67 Expired
US6893358B2 Putter-type golf club head with an insert Human Necessities 67 Expired
US6887164B2 Iron golf club head Human Necessities 63 Expired
US6336869B1 Multiple material golf club head with a polymer insert face Emerging Cross-Sectional Technologies 56 Expired
US6328661A Multiple material golf club head with a polymer insert face Emerging Cross-Sectional Technologies 41 Expired
US6379263B2 Golf club and weighting system Emerging Cross-Sectional Technologies 38 Expired
US6971960B2 Insert for golf club head Human Necessities 32 Expired
US6273832A Combination golf club with an insert and golf ball Emerging Cross-Sectional Technologies 26 Expired
US7070516B2 Insert for golf club head Human Necessities 22 Expired
US7417094B2 Cross-linked thermoplastic polyurethane/polyurea and method of making same Chemistry; Metallurgy 19 Expired
US7540990B1 Cross-linked thermoplastic polyurethane/polyurea and method of making same Chemistry; Metallurgy 17 Active
US7250008B2 Iron golf club Human Necessities 13 Expired
US6632391B1 Method for manufacturing a golf club head with an insert having integral tabs Emerging Cross-Sectional Technologies 9 Expired
US7785522B2 Cross-linked thermoplastic polyurethane/polyurea and method of making same Chemistry; Metallurgy 2 Active
US8003747B2 Cross-linked thermoplastic polyurethane/polyurea and method of making same Chemistry; Metallurgy 1 Active

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