Inventor · disambiguated record
David A. C. Royle
Also filed as: ROYLE DAVID A C · ROYLE DAVID ALBERT CYRIL
4 granted patents·2 pending applications·52 citations·filing 1989–2002
75Inventor score
Top patents by PatentIndex Score
6 records- 0174US5176098ARetractable wheelsCARDOX LTD·Filed 1989·Granted Jan 5, 1993·37 cites·16 claims
- 0248US6811454B2Suspension systemBRITISH WATERWAYS BOARD·Filed 2001·Granted Nov 2, 2004·9 cites·23 claims
- 0336US2005034646A1Retractable road wheel and steering arrangement for an amphibious vehicleFiled 2002·Application pending·0 cites
- 0434USD449565SAmphibious vehicleCOVELINK MARINE LTD·Filed 2000·Granted Oct 23, 2001·4 cites·1 claims
- 0532US2004112661A1Vehicle with retractable wheelFiled 2002·Application pending·0 cites
- 0629USD447443SAmphibious busCOVELINK MARINE LTD·Filed 2000·Granted Sep 4, 2001·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →