Inventor · disambiguated record
William N. Calland
Also filed as: CALLAND WILLIAM N
5 granted patents·2 pending applications·72 citations·filing 1989–2008
82Inventor score
Top patents by PatentIndex Score
7 records- 0159US5219590ATriple channel wave screwHPM CORP·Filed 1991·Granted Jun 15, 1993·19 cites·20 claims
- 0255US4997358AApparatus for reconfiguring finishing rolls in a plastic sheet fabrication sheetlineHPM CORP·Filed 1989·Granted Mar 5, 1991·17 cites·15 claims
- 0351US5375992ATriple channel wave screwHPM CORP·Filed 1993·Granted Dec 27, 1994·14 cites·20 claims
- 0448US6132075AMultichannel wave screw with a slush channel barrier sectionHPM CORP·Filed 1998·Granted Oct 17, 2000·15 cites·20 claims
- 0548US2008307729A1Structural panelsMAXAM IND INC·Filed 2008·Application pending·0 cites
- 0645US2006275600A1Release agent-free, multiple-use, polymer-based composite materials employed for concrete pouring forms and methods of making and using sameVAVRA FRANK A·Filed 2005·Application pending·0 cites
- 0734US5397526AMethod for reconfiguring finishing rolls in a plastic sheet fabrication sheetlineHPM CORP·Filed 1994·Granted Mar 14, 1995·7 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →