David E. Livingstone — 20 Patents at 3M

David E. Livingstone has been granted 20 US patents while listed as an inventor at 3M. The first was granted in 2001 and the most recent in November 2020. David E. Livingstone ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list David E. Livingstone in London, ON, CA.

Patents per Year

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Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10834786	Heating tape and system	Jian Li, Paolo Rocca, Jonathan M. Cliffen, Ranjith Divigalpitiya, Frank A. Brandys +3 more	2020-11-10	$67,440,000
10683457	Solid composite intumescent structures for fire protection	Jiangdong Tong, Hui Zhu	2020-06-16	$105,477,000
9278889	Method of reinforcing irregular structures	Terrence John Rayner, David John Hastings	2016-03-08	$23,953,000
D696723	Note dispenser	—	2013-12-31
8388717	Furnace filter adapters and braces	Darryl F. Klassen, David Beckett	2013-03-05	$15,942,000
D636439	Stiletto shoe shaped tape dispenser	Mark R. Hastings	2011-04-19
D630253	Note dispenser	—	2011-01-04
7748381	Portable blower system	Lisa M. Croll, Pierre Legare	2010-07-06	$20,737,000
7496001	Light and noise maker for diving use	Trevor Theriault	2009-02-24
7320341	Protective liner for slurry pipelines	Marie-Claude M. Brandys, Kam C. Wu, David C. Chambers, John T. Kilbourne	2008-01-22	$18,826,000
7223038	Spreading apparatus for flowable materials	Robin G. Pitman, Ronald W. Matechuk	2007-05-29
D542630	Hook	James E. Henkel	2007-05-15
7213296	Spreading apparatus for flowable materials and spreader pad therefor	Donald W. Matechuk	2007-05-08
7131616	Collapsible hook with two magnets	—	2006-11-07
6927367	Automatic temperature control system and method	—	2005-08-09
6834612	Method and apparatus for making particle-embedded webs	David C. Chambers, Glen Connell, Ranjith Divigalpitiya, Agatona D. Monteagudo, Susan C. Noe +1 more	2004-12-28	$50,362,000
6809280	Pressure activated switch and touch panel	Ranjith Divigalpitiya, Robert S. Moshrefzadeh, Elisa M. Cross	2004-10-26	$27,935,000
6569494	Method and apparatus for making particle-embedded webs	David C. Chambers, Glen Connell, Ranjith Divigalpitiya, Agatona D. Monteagudo, Susan C. Noe +1 more	2003-05-27	$17,300,000
6454834	Regenerable air cleaning device	Michael R. Harms, Daniel T. Chen	2002-09-24	$15,327,000
6275603	Method and apparatus for detecting glass particles in glass bottles filled with beer	Anthony J. Cronshaw, Christopher James Hodges, Mark Robson Humphries, Stephen Peter Woodall, Bernardus Cornelis Johannes Landman	2001-08-14

David E. Livingstone — 20 Patents

Patents per Year

Issued Patents All Time

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