Inventor · disambiguated record
Mark Spencer
Also filed as: SPENCER MARK · SPENCER MARK A · SPENCER MARK E · SPENCER MARK S
20 granted patents·2 pending applications·814 citations·filing 1991–2025
96Inventor score
Top patents by PatentIndex Score
22 records- 0196USD427902SFood containerTENNECO PACKAGING INC·Filed 1998·Granted Jul 11, 2000·81 cites·1 claims
- 0295US6257401B1Vented container with handles and embossmentPACTIV CORP·Filed 1999·Granted Jul 10, 2001·113 cites·76 claims
- 0395USD388699SFood trayTENNECO PACKAGING·Filed 1996·Granted Jan 6, 1998·62 cites·1 claims
- 0495USD386075SFood trayTENNECO PACKAGING·Filed 1996·Granted Nov 11, 1997·65 cites·1 claims
- 0594US5979687AHigh-strength container with interior button latchTENNECO PACKAGING INC·Filed 1998·Granted Nov 9, 1999·130 cites·23 claims
- 0692USD549050SBowl and lidPACTIV CORP·Filed 2005·Granted Aug 21, 2007·115 cites·1 claims
- 0791US6349847B1Vented container with handles and embossmentPACTIV CORP·Filed 2000·Granted Feb 26, 2002·52 cites·15 claims
- 0882USD409910SCover for a food containerTENNECO PACKAGING SPECIALTY AND CONSUMER PRODUCTS INC·Filed 1998·Granted May 18, 1999·26 cites·1 claims
- 0982USD387986SLid for a food containerTENNECO PACKAGING·Filed 1996·Granted Dec 23, 1997·25 cites·1 claims
- 1081USD409909SBottom for a food containerTENNECO PACKAGING SPECIALTY AND CONSUMER PRODUCTS INC·Filed 1998·Granted May 18, 1999·25 cites·1 claims
- 1178US12277813B1Systems and methods for monitoring a condition of an engineEMPRISE CORP·Filed 2024·Granted Apr 15, 2025·0 cites·33 claims
- 1277USD388703SLid for a food containerTENNECO PACKAGING·Filed 1996·Granted Jan 6, 1998·21 cites·1 claims
- 1376US12462624B2Systems and methods for monitoring a condition of an engineEMPRISE CORP·Filed 2025·Granted Nov 4, 2025·0 cites·26 claims
- 1473US11340096B2Grease interceptor level analyzerWATER ANALYTICS INC·Filed 2019·Granted May 24, 2022·2 cites·22 claims
- 1571US5148126ACapacitance sensor circuit and method for measuring capacitance and small changes in capacitanceSENTECH CORP·Filed 1991·Granted Sep 15, 1992·36 cites·38 claims
- 1666USD508819SCover for a containerPACTIV CORP·Filed 1999·Granted Aug 30, 2005·13 cites·1 claims
- 1764US5198764APosition detector apparatus and method utilizing a transient voltage waveform processorSENTECH CORP·Filed 1991·Granted Mar 30, 1993·24 cites·43 claims
- 1857US11774391B2Grease interceptor level analyzerWATER ANALYTICS INC·Filed 2022·Granted Oct 3, 2023·0 cites·30 claims
- 1955US5136262AOscillator circuit and method for measuring capacitance and small changes in capacitanceSENTECH CORP·Filed 1991·Granted Aug 4, 1992·18 cites·38 claims
- 2050US2002042812A1Apparatus, method and system for voice over a network having provider selection and disputeless billingFiled 2001·Application pending·0 cites
- 2148USD443205SBottom for a containerTENNECO PACKAGING INC·Filed 1999·Granted Jun 5, 2001·6 cites·1 claims
- 2239US2005127052A1Near real time arc welding monitorFiled 2003·Application pending·0 cites
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