DG

David J. Greenleaf

RL Riker Laboratories: 11 patents #5 of 61Top 9%
3M: 7 patents #2,212 of 11,543Top 20%
Overall (All Time): #257,830 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8740014 Dose counter for dispensers Graham R. Purkins, Lee A. Kristensen, Sarah Jones 2014-06-03
7234460 Metering valve for a metered dose inhaler providing consistent delivery Peter D. Hodson, Graham R. Purkins, Gary Mahon, Heinz Klein 2007-06-26
6863195 Valve stem for use in a metering valve of a metered dose inhaler Andrew Mark Bryant, Gustavo H. Castro, Peter D. Hodson, Gary Mahon 2005-03-08
6352684 CRC-free medicinal aerosol formulations of 1,1,1,2-tetrafluoroethane (134A) with polar adjuvant Tarlochan S. Purewal 2002-03-05
5776434 Medicinal aerosol formulations Tarlochan S. Purewal 1998-07-07
5766573 Medicinal aerosol formulations Tarlochan S. Purewal 1998-06-16
5720940 Medicinal aerosol formulations Tarlochan S. Purewal 1998-02-24
5695743 Medicinal aerosol formulations Tarlochan S. Purewal 1997-12-09
5683677 Medicinal aerosol formulations Tarlochan S. Purewal 1997-11-04
5681545 Medicinal aerosol formulations Tarlochan S. Purewal 1997-10-28
5674473 Medicinal aerosol formulations Tarlochan S. Purewal 1997-10-07
5605674 Medicinal aerosol formulations Tarlochan S. Purewal 1997-02-25
5515841 Inhaler Paul A. Robertson, Eric A. Baum 1996-05-14
5439670 Medicinal aerosol formulations Tarlochan S. Purewal 1995-08-08
5437271 Deagglomerators for dry powder inhalers Peter D. Hodson 1995-08-01
5427282 Aerosol valve with a surfactant impregnated valve seal Peter Hugo HOWARTH, Philip A. Jinks 1995-06-27
5348730 Method for preparing medicinal aerosol formulation containing coated medicament Tarlochan S. Purewal, Philip A. Jinks 1994-09-20
5225183 Medicinal aerosol formulations Tarlochan S. Purewal 1993-07-06