Inventor · disambiguated record
Calvin S. Krupa
Also filed as: KRUPA CALVIN S
57 granted patents·2 pending applications·2,958 citations·filing 1975–2017
99Inventor score
Top patents by PatentIndex Score
59 records- 0199USD363879SBlueberry containerKRUPA CALVIN S·Filed 1994·Granted Nov 7, 1995·162 cites·1 claims
- 0299USD354436SFood package with hinged lidULTRA PAC INC·Filed 1993·Granted Jan 17, 1995·150 cites·1 claims
- 0398US8561823B1Food service containerKRUPA CALVIN S·Filed 2012·Granted Oct 22, 2013·55 cites·13 claims
- 0498USD371940SFood containerULTRA PAC INC·Filed 1995·Granted Jul 23, 1996·89 cites·1 claims
- 0598USD364090SShrimp package with hinged lidKRUPA CALVIN S·Filed 1994·Granted Nov 14, 1995·79 cites·1 claims
- 0698US5456379ABlueberry containerFiled 1994·Granted Oct 10, 1995·222 cites·15 claims
- 0798USD361036SBerry boxULTRA PAC INC·Filed 1993·Granted Aug 8, 1995·89 cites·1 claims
- 0898USD361035SBerry boxULTRA PAC INC·Filed 1994·Granted Aug 8, 1995·107 cites·1 claims
- 0998USD346552SFruit clamshell containerULTRA PAC INC·Filed 1993·Granted May 3, 1994·82 cites·1 claims
- 1098USD343576SBerry boxULTRA PAC INC·Filed 1992·Granted Jan 25, 1994·103 cites·1 claims
- 1197USD380381SFruit containerULTRA PAC INC·Filed 1996·Granted Jul 1, 1997·82 cites·1 claims
- 1297USD378192SStackable berry container with hinged lidULTRA PAC INC·Filed 1995·Granted Feb 25, 1997·74 cites·1 claims
- 1397USD329572SContainer with coverULTRA PAC INC·Filed 1991·Granted Sep 22, 1992·68 cites·1 claims
- 1496USD391850SPie containerULTRA PAC INC·Filed 1997·Granted Mar 10, 1998·65 cites·1 claims
- 1596USD354435SFood package with hinged lidULTRA PAC INC·Filed 1993·Granted Jan 17, 1995·58 cites·1 claims
- 1696USD352454SPastry packageULTRA PAC INC·Filed 1993·Granted Nov 15, 1994·60 cites·1 claims
- 1796USD346554SStorage and display container for foodULTRA PAC INC·Filed 1993·Granted May 3, 1994·56 cites·1 claims
- 1896USD345894STray for baked goodsULTRA PAC INC·Filed 1993·Granted Apr 12, 1994·60 cites·1 claims
- 1995USD379300SFruit containerULTRA PAC INC·Filed 1995·Granted May 20, 1997·60 cites·1 claims
- 2095USD345912SContainer for baked food productsULTRA PAC INC·Filed 1993·Granted Apr 12, 1994·50 cites·1 claims
- 2194USD664425SClamshellKRUPA CALVIN S·Filed 2011·Granted Jul 31, 2012·63 cites·1 claims
- 2294USD394807SChicken containerULTRA PAC INC·Filed 1997·Granted Jun 2, 1998·50 cites·1 claims
- 2394USD385784SFruit containerULTRA PAC INC·Filed 1996·Granted Nov 4, 1997·51 cites·1 claims
- 2494US3980070AHeating pack containing a granular chemical compositionSCOTTY MANUFACTURING COMPANY·Filed 1975·Granted Sep 14, 1976·78 cites·4 claims
- 2593USD395985SFood containerULTRA PAC INC·Filed 1997·Granted Jul 14, 1998·49 cites·1 claims
- 2692USD665663SBiodegradable, compostable food containerKRUPA CALVIN S·Filed 2010·Granted Aug 21, 2012·47 cites·1 claims
- 2792US6550630B1Container for frozen cake batterBLUE SKY FOODS LLC·Filed 2002·Granted Apr 22, 2003·71 cites·6 claims
- 2892USD374820SCake containerULTRA PAC INC·Filed 1996·Granted Oct 22, 1996·44 cites·1 claims
- 2992USD351999SFood package with hinged lidULTRA PAC INC·Filed 1993·Granted Nov 1, 1994·40 cites·1 claims
- 3090USD349050SSandwich containerULTRA PAC INC·Filed 1993·Granted Jul 26, 1994·33 cites·1 claims
- 3189USD344660SSnack food container with lidULTRA PAC INC·Filed 1992·Granted Mar 1, 1994·32 cites·1 claims
- 3288USD360825SFruit containerULTRA PAC INC·Filed 1994·Granted Aug 1, 1995·30 cites·1 claims
- 3388US5356023ARose box with interchangeable lid and baseULTRA PAC INC·Filed 1993·Granted Oct 18, 1994·77 cites·11 claims
- 3487USD625994SPicnic kit assemblyKRUPA CALVIN S·Filed 2009·Granted Oct 26, 2010·34 cites·1 claims
- 3587USD363022SContainer for herbsKRUPA CALVIN S·Filed 1994·Granted Oct 10, 1995·27 cites·1 claims
- 3684USD385780SEgg cartonULTRA PAC INC·Filed 1995·Granted Nov 4, 1997·28 cites·1 claims
- 3784USD371961SEgg containerULTRA PAC INC·Filed 1995·Granted Jul 23, 1996·28 cites·1 claims
- 3884USD361714SClamshell package for cored pineapple fruitULTRA PAC INC·Filed 1994·Granted Aug 29, 1995·24 cites·1 claims
- 3983US6450341B1Shipping and baking package for food itemsOVEN READY FOODS LLC·Filed 2001·Granted Sep 17, 2002·56 cites·9 claims
- 4083USD377450SStackable berry container with hinged lidULTRA PAC INC·Filed 1995·Granted Jan 21, 1997·27 cites·1 claims
- 4182US8960489B2Biodegradable and compostable single-serve beverage ingredient packageGCUP TECHNOLOGY CORP·Filed 2014·Granted Feb 24, 2015·12 cites·11 claims
- 4281USD371964SBase for angel food cakesULTRA PAC INC·Filed 1995·Granted Jul 23, 1996·24 cites·1 claims
- 4380USD687705SBiodegradable food service containerULTRA GREEN INC·Filed 2012·Granted Aug 13, 2013·26 cites·1 claims
- 4479US5653345AFruit boxULTRA PAC INC·Filed 1995·Granted Aug 5, 1997·48 cites·18 claims
- 4579US5497894AClamshell container for food itemsFiled 1995·Granted Mar 12, 1996·57 cites·3 claims
- 4676US8636168B1Biodegradable food service containerULTRA GREEN INC·Filed 2012·Granted Jan 28, 2014·5 cites·11 claims
- 4776USD627635SBiodegradable, compostable food containerKRUPA CALVIN S·Filed 2009·Granted Nov 23, 2010·17 cites·1 claims
- 4874US6478181B1Shrinkable tray with attachable lidsIVEX PACKAGING CORP·Filed 2000·Granted Nov 12, 2002·20 cites·60 claims
- 4974USD365272SClamshell container for food itemsKRUPA CALVIN S·Filed 1995·Granted Dec 19, 1995·18 cites·1 claims
- 5068US10464732B2Air tight gas circulating containerUPAC2·Filed 2017·Granted Nov 5, 2019·2 cites·20 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →