Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BG

B. David Green — 7 Patents

PSPhysical Sciences: 7 patents #6 of 131Top 5%
ATAlliant Techsystems: 2 patents #149 of 658Top 25%
Methuen, MA: #42 of 259 inventorsTop 20%
Massachusetts: #18,077 of 88,656 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
B. David Green has been granted 7 US patents while listed as an inventor at Physical Sciences. The first was granted in 2005 and the most recent in July 2016. B. David Green ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list B. David Green in Methuen, MA, US.

Patents per Year

Patents granted per year, 2005 to 2016Bar chart with a peak of 2 patents in 2015.peak 22005: 1 patents20052010: 1 patents20102011: 1 patents20112015: 2 patents20152016: 2 patents2016

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9394586 Recovery of rare earth elements and compounds from coal ash Prakash B. Joshi, Dorin V. Preda, David Skyler, Anait Scherer, William J. Marinelli 2016-07-19
9388090 Fast ignition and sustained combustion of ionic liquids Prakash B. Joshi, Lawrence G. Piper, David B. Oakes, Justin L. Sabourin, Adam Hicks +2 more 2016-07-12
9108370 Microgravity fabrication and metalization of large, lightweight polymeric bubbles and films for space system applications Prakash B. Joshi, David B. Oakes, Edward J. Salley, Allan Dokhan, Kophu Chiang +2 more 2015-08-18
8968688 Recovery of rare earth elements and compounds from coal ash Prakash B. Joshi, Dorin V. Preda, David Skyler, Anait Tsinberg, William J. Marinelli 2015-03-03
8033021 Method for fabricating structural propellants Prakash B. Joshi, Bernard L. Upschulte, Alan H. Gelb, Dean M. Lester, W. David Starrett +1 more 2011-10-11 $8,988,000
7647763 Polyoxymethylene as structural support member and propellant Prakash B. Joshi, Bernard L. Upschulte, Alan H. Gelb, Dean M. Lester, W. David Starrett +1 more 2010-01-19 $17,504,000
6904749 Polyoxymethylene as structural support member and propellant Prakash B. Joshi, Alan H. Gelb, Bernard L. Upschulte 2005-06-14