Inventor · disambiguated record
Walter P. Pietruch
Also filed as: PIETRUCH WALTER · PIETRUCH WALTER P
12 granted patents·2 pending applications·464 citations·filing 1996–2003
93Inventor score
Top patents by PatentIndex Score
14 records- 0194US6543268B2Deep drawn candle can with formed safety bottomCLARK J L INC·Filed 2002·Granted Apr 8, 2003·68 cites·10 claims
- 0293US6648631B2Deep drawn candle can with formed safety bottomCLARK J L INC·Filed 2003·Granted Nov 18, 2003·57 cites·10 claims
- 0392US6398544B2Formed safety bottom for a candle canCLARK J L INC·Filed 2000·Granted Jun 4, 2002·69 cites·20 claims
- 0492US5829583AContainer for packaging recorded mediaCLARK J L INC·Filed 1997·Granted Nov 3, 1998·89 cites·5 claims
- 0592USD385145SBottom of a disc container for CD and floppy discsCLARK J L INC·Filed 1996·Granted Oct 21, 1997·47 cites·1 claims
- 0690USD484409SPackageKRAFT FOODS HOLDINGS INC·Filed 2003·Granted Dec 30, 2003·56 cites·1 claims
- 0766US6155451ASealed metal containerCLARK J L INC·Filed 2000·Granted Dec 5, 2000·15 cites·19 claims
- 0865US6523239B2Die for assembling metal spool having high torque transmitting capacity between spool componentsCLARK J L INC·Filed 2001·Granted Feb 25, 2003·11 cites·14 claims
- 0959US6419184B1Wooden spool held together with novel tie rod assembly and method of assembling the same between a pair of diesCLARK J L INC·Filed 2000·Granted Jul 16, 2002·8 cites·20 claims
- 1059US6036042ASealed metal containerCLARK J L·Filed 1998·Granted Mar 14, 2000·32 cites·19 claims
- 1149US6289570B1Die and method for assembling metal spool having high torque transmitting capacity between spool componentsCLARK J L INC·Filed 1999·Granted Sep 18, 2001·12 cites·12 claims
- 1244US2001030195A1Deep drawn candle can with formed safety bottomFiled 2000·Application pending·0 cites
- 1343US2004217116A1Container cover with hemmed leading edgeCLARK J L INC·Filed 2003·Application pending·0 cites
- 1427US6267324B1Metal spool having high torque transmitting capacity between spool componentsCLARK J L INC·Filed 1999·Granted Jul 31, 2001·0 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Walter P. Pietruch files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →