Inventor · disambiguated record
David Hall
Also filed as: HALL DAVID · HALL DAVID F
13 granted patents·2 pending applications·261 citations·filing 1989–2006
93Inventor score
Top patents by PatentIndex Score
15 records- 0190US7731167B2Methods and systems for controlling the feeding of stacked sheet materialPRIM HALL ENTPR INC·Filed 2006·Granted Jun 8, 2010·24 cites·22 claims
- 0290US5138817AMethod of and system for creating a uniform log of strapped bundlesPRIM HALL ENTERPRISES INC·Filed 1991·Granted Aug 18, 1992·74 cites·20 claims
- 0386US5197590AHopper loaderPRIM HALL ENTERPRISES INC·Filed 1991·Granted Mar 30, 1993·33 cites·16 claims
- 0481US5092236AMethod and apparatus for stacking, aligning and compressing signaturesQUIPP SYSTEMS INC·Filed 1990·Granted Mar 3, 1992·25 cites·13 claims
- 0575US5282716AMethod and apparatus for stacking, aligning and compressing signaturesQUIPP SYSTEMS INC·Filed 1991·Granted Feb 1, 1994·20 cites·31 claims
- 0672US6623000B2Apparatus and method for separating sheet material by means of a reciprocating disk separatorPRIM HALL ENTPR INC·Filed 2001·Granted Sep 23, 2003·12 cites·14 claims
- 0765US5394979AHopper loaderPRIM HALL ENTERPRISES INC·Filed 1993·Granted Mar 7, 1995·16 cites·25 claims
- 0859US6193229B1Signature feeder and method including a variable speed separator diskFiled 1999·Granted Feb 27, 2001·17 cites·20 claims
- 0956US5238240AMethod and apparatus for quick change-over from either a dual delivery trimmer apparatus to a single delivery trimmer apparatus or vice versaPRIM HALL ENTERPRISES INC·Filed 1992·Granted Aug 24, 1993·17 cites·43 claims
- 1046US4941757AGrease reservoirEASTMAN KODAK CO·Filed 1989·Granted Jul 17, 1990·10 cites·4 claims
- 1142US2008099308A1Method and apparatus for regulating signature handling to compensate for chain elongationPRIM HALL ENTPR INC·Filed 2006·Application pending·0 cites
- 1241US6405152B1Precision calipering systemPRIM HALL ENTPR INC·Filed 1998·Granted Jun 11, 2002·6 cites·38 claims
- 1341US5310172AHopper loaderPRIM HALL ENTERPRISES INC·Filed 1992·Granted May 10, 1994·5 cites·17 claims
- 1440US7014184B2Systems, devices, and methods for feeding sheet material to a disk separatorPRIM HALL ENTPR INC·Filed 2003·Granted Mar 21, 2006·2 cites·30 claims
- 1536US2006157997A1Multi-positionable rotary vacuum head for product processingEASTMAN KODAK CO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →