David K. Smith — 10 Patents at 3M

David K. Smith has been granted 10 US patents while listed as an inventor at 3M. The first was granted in 1991 and the most recent in July 2011. David K. Smith ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David K. Smith in Loughborough, MN, GB.

Patents per Year

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Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7986224	Environmental monitoring device	Ryan Joy, Michael Primm, Ronald Graczyk, Boyd E. Slade	2011-07-26
7456733	Environmental monitoring device	Ryan Joy, Michael Primm, Ronald Graczyk, Boyd E. Slade	2008-11-25
7148796	Environmental monitoring device	Ryan Joy, Michael Primm, Ronald Graczyk, Boyd E. Slade	2006-12-12	$50,199,000
6012454	Dry powder inhalation device	Peter D. Hodson, Anthony C. L. Wass	2000-01-11	$26,243,000
5740793	Dry powder inhalation device with elongate carrier for power	Peter D. Hodson, David J. Velasquez, Anthony C. L. Wass, Clyde D. Calhoun	1998-04-21
5655523	Dry powder inhalation device having deagglomeration/aerosolization structure responsive to patient inhalation	Peter D. Hodson, Anthony C. L. Wass	1997-08-12	$18,597,000
5619984	Dry powder inhalation device having a powder-loaded elongate carrier	Peter D. Hodson, David J. Velasquez, Anthony C. L. Wass	1997-04-15
5482032	Dry powder inhalers	Peter D. Hodson, Anthony C. L. Wass	1996-01-09
5347998	Breath actuated inhaler having an electromechanical priming mechanism	Peter D. Hodson, Eric A. Baum, Anton Kuepper, Matthew J. Wilby	1994-09-20	$10,099,000
5069204	Inhaler	Anthony C. L. Wass	1991-12-03	$9,925,000

David K. Smith — 10 Patents

Patents per Year

Issued Patents All Time

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