Inventor · disambiguated record
David Littlefield
Also filed as: LITTLEFIELD DAVID · LITTLEFIELD DAVID E
9 granted patents·3 pending applications·106 citations·filing 1989–2025
87Inventor score
Files withUAB RES FOUND4SICKING SAFETY SYSTEMS LLC3TEXAS INSTRUMENTS INC2DOW CHEMICAL CO1SICKING DEAN L1
Top patents by PatentIndex Score
12 records- 0177US12297611B2Guardrail terminalSICKING SAFETY SYSTEMS LLC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 0276US2025270777A1Guardrail terminalSICKING SAFETY SYSTEMS LLC·Filed 2025·Application pending·0 cites
- 0375US11466415B2Guardrail terminalSICKING DEAN L·Filed 2019·Granted Oct 11, 2022·2 cites·18 claims
- 0473US5056139AMethods and apparatus for electronically limiting broadcast communicationTEXAS INSTRUMENTS INC·Filed 1990·Granted Oct 8, 1991·38 cites·44 claims
- 0572US11846077B2Guardrail terminalSICKING SAFETY SYSTEMS LLC·Filed 2022·Granted Dec 19, 2023·0 cites·19 claims
- 0670US6379020B1Plumbing toolFiled 2000·Granted Apr 30, 2002·23 cites·12 claims
- 0769US9683340B2Systems and methods for supporting bollardsUAB RES FOUND·Filed 2014·Granted Jun 20, 2017·4 cites·20 claims
- 0867US4988906AMagnetic bearing assemblyDOW CHEMICAL CO·Filed 1989·Granted Jan 29, 1991·24 cites·10 claims
- 0945US5406116ADopant implant for conductive charge leakage layer for use with voltage contrastTEXAS INSTRUMENTS INC·Filed 1993·Granted Apr 11, 1995·15 cites·19 claims
- 1043US9856616B2Self-restoring crash cushionsUAB RES FOUND·Filed 2015·Granted Jan 2, 2018·0 cites·20 claims
- 1143US2017303623A1Protective helmets having energy absorbing linersUAB RES FOUND·Filed 2015·Application pending·0 cites
- 1242US2021198855A1Coiled containment guardrail system and terminalUAB RES FOUND·Filed 2019·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →