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

David Lewis — 74 Patents

IBM: 43 patents #2,131 of 70,183Top 4%
CSChiesi Farmaceutici S.P.A.: 17 patents #11 of 341Top 4%
Nortel Networks Limited: 2 patents #1,531 of 5,294Top 30%
CLCarl Zeiss Vision Austalia Holdings Limited: 2 patents #6 of 17Top 40%
ILInnovata Biomed Limited: 1 patents #8 of 30Top 30%
ALAlza: 1 patents #287 of 419Top 70%
SHSola International Holdings: 1 patents #40 of 76Top 55%
TEThomas Engineering: 1 patents #2 of 9Top 25%
VEVesture: 1 patents #103 of 204Top 55%
HIHallmark Cards, Incorporated: 1 patents #130 of 288Top 50%
Philadelphia, PA: #18 of 4,834 inventorsTop 1%
Pennsylvania: #290 of 74,527 inventorsTop 1%
Overall (All Time): #26,215 of 4,157,543Top 1%
74 Patents All Time
David Lewis has been granted 74 US patents while listed as an inventor at IBM. The first was granted in 1989 and the most recent in July 2025. David Lewis ranks #26,215 of 4,157,543 US inventors in our database (top 0.63%). Patent records list David Lewis in Philadelphia, PA, US.

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12374148 Methods and system of electronic image analysis 2025-07-29
12319084 Automated greeting card conveyance system Gerald Little, Wesley Lindquist, Jennifer R. Garbos 2025-06-03
11983948 Method and system for electronic image analysis 2024-05-14
11213010 Pet tracking assembly 2022-01-04
11213485 Pharmaceutical solution formulations for pressurized metered dose inhalers Brian Meakin, Gaetano Brambilla 2022-01-04
10737044 Aerosol inhalation device Gaetano Brambilla, Robert Johnson 2020-08-11
10525006 Pharmaceutical solution formulations for pressurised metered dose inhalers Brian Meakin, Gaetano Brambilla 2020-01-07
9453950 Photochromic coating process Kathy Wai Yuen Wong, Fang Chen, Bohdan Grzegorz Cieslinski, Huan Kiak Toh 2016-09-27
9011923 Suspension formulations Christina Alexandra Keeble, Nicola Kim Whitfield, Tanya Church 2015-04-21
8877164 Pharmaceutical aerosol formulations for pressurized metered dose inhalers comprising a sequestering agent Brian Meakin, Maurizio Delcanale, Fausto Pivetti 2014-11-04
8420058 Pharmaceutical aerosol composition Davis Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2013-04-16
8313732 Formoterol superfine formulation Rebecca Davies, David Ganderton, Brian Meakin, Tanya Church, Gaetano Brambilla +1 more 2012-11-20
8142763 Pressurized metered dose inhalers (MDI) containing a solution comprising ipratropium bromide, HFA propellant, and co-solvent and comprising a container with a specific internal surface composition and/or lining David Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2012-03-27
8088362 Salmeterol superfine formulation Tanya Church, David Ganderton, Brian Meakin, Gaetano Brambilla 2012-01-03
8003022 Method of forming a coated optical element David Robert Diggins 2011-08-23
7807075 Photochromic compositions and light transmissible articles Richard Alexander Evans, Melissa Skidmore, Lachlan Hartley Yee, Tracey Lee Hanley 2010-10-05
7740463 Pressurised metered dose inhalers (MDI) David Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2010-06-22
7695776 Transparent hard coats for optical elements Jeffrey Hedrick, Stanley Joseph Whitehair 2010-04-13 $5,309,000
7601336 Pharmaceutical aerosol composition Davis Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2009-10-13
7381402 Stable pharmaceutical solution formulations for pressurized metered dose inhalers David Ganderton, Brian Meakin, Maurizio Delcanale, Fausto Pivetti 2008-06-03
7378146 Transparent hard coats for optical elements Jeffrey Hedrick, Stanley Joseph Whitehair 2008-05-27 $8,304,000
7347199 Pressurised metered dose inhalers (MDI) David Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2008-03-25
7247262 Photochromic compositions and light transmissible articles Richard Alexander Evans, Melissa Skidmore, Lachlan Hartley Yee, Tracey Lee Hanley 2007-07-24
7223381 Pressurised metered dose inhalers (MDI) David Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia 2007-05-29
7018618 Stable pharmaceutical solution formulations for pressurized metered dose inhalers David Ganderton, Brian Meakin, Gaetano Brambilla, Alessandra Ferraris 2006-03-28