Inventor · disambiguated record
David Lange
Also filed as: LANGE DAVID · LANGE DAVID D
7 granted patents·3 pending applications·117 citations·filing 1980–2018
85Inventor score
Top patents by PatentIndex Score
10 records- 0194US7290504B2System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuelsLANGE DAVID·Filed 2005·Granted Nov 6, 2007·59 cites·24 claims
- 0289US8962071B2Process for cold-in-place recycling using foamed asphalt and lubrication additiveREINKE GERALD H·Filed 2009·Granted Feb 24, 2015·7 cites·20 claims
- 0373US5655493AExhaust valve for internal combustion engineDRESSER IND·Filed 1996·Granted Aug 12, 1997·25 cites·18 claims
- 0472US8682759B2System and method for determining and brokering fuel emission offsetsLANGE DAVID·Filed 2008·Granted Mar 25, 2014·3 cites·28 claims
- 0569US5904125AExhaust valve for internal combustion engineDRESSER IND·Filed 1997·Granted May 18, 1999·21 cites·3 claims
- 0655US11174603B2Process for cold-in-place recycling using foamed asphalt and lubrication additiveALM HOLDING CO·Filed 2018·Granted Nov 16, 2021·0 cites·20 claims
- 0749US2015252535A1Process for cold-in-place recycling using foamed asphalt and lubrication additiveALM HOLDING CO·Filed 2015·Application pending·0 cites
- 0849US2015147118A1Process for cold-in-place recycling using foamed asphalt and lubrication additiveALM HOLDING CO·Filed 2015·Application pending·0 cites
- 0949US2016090701A1Process for cold-in-place recycling using foamed asphalt and lubrication additiveALM HOLDING CO·Filed 2015·Application pending·0 cites
- 1029USD274256SEnd cap for heat exchangersLANGE DAVID·Filed 1980·Granted Jun 12, 1984·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when David Lange 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 →