Assignee
EFB INC
7 granted patents·234 citations·filing 1977–2014
Top patents by PatentIndex Score
7 records- 0196US9040008B2Method for removal of particles and VOC from an airstreamEFB INC·Filed 2014·Granted May 26, 2015·26 cites·3 claims
- 0289US4308036AFilter apparatus and method for collecting fly ash and fine dustEFB INC·Filed 1979·Granted Dec 29, 1981·59 cites·10 claims
- 0381US4144359AApparatus and method for controlling pollutant emissions and for enhancing the manufacture of asphaltic roofingEFB INC·Filed 1977·Granted Mar 13, 1979·36 cites·21 claims
- 0479US4374652AFilter apparatus and method for collecting fly ash and fine dustEFB INC·Filed 1981·Granted Feb 22, 1983·37 cites·8 claims
- 0578US4668489AMethod for treating gas streamsEFB INC·Filed 1985·Granted May 26, 1987·42 cites·17 claims
- 0662US4505723AFilter apparatusEFB INC·Filed 1983·Granted Mar 19, 1985·17 cites·18 claims
- 0759US4542000AMethod for treating gas streamsEFB INC·Filed 1984·Granted Sep 17, 1985·17 cites·15 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →