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

David W. Smith — 69 Patents

TETownsend Engineering: 14 patents #4 of 77Top 6%
TITeledyne Industries: 12 patents #2 of 517Top 1%
Koniniklijke Philips N.V.: 11 patents #638 of 7,486Top 9%
NCNational Distillers And Chemical: 6 patents #19 of 115Top 20%
QCQuantum Chemical: 4 patents #16 of 91Top 20%
EIE.A. Fischione Instruments: 3 patents #3 of 15Top 20%
APAnalogy Partners: 3 patents #1 of 8Top 15%
SCSolvay Chemicals: 2 patents #14 of 37Top 40%
UFUS Air Force: 1 patents #6,232 of 16,312Top 40%
AMD: 1 patents #6,794 of 9,280Top 75%
CCCrane Plastics Company: 1 patents #21 of 49Top 45%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
HIH-C Industries: 1 patents #12 of 20Top 60%
MPMillennium Petrochemicals: 1 patents #7 of 12Top 60%
OCOwens-Brockway Glass Container: 1 patents #209 of 327Top 65%
SSSiemens Medical Solutions Health Services: 1 patents #17 of 53Top 35%
TCThe Gillette Company: 1 patents #936 of 1,479Top 65%
Oakmont, PA: #1 of 162 inventorsTop 1%
Pennsylvania: #353 of 74,527 inventorsTop 1%
Overall (All Time): #29,979 of 4,157,543Top 1%
69 Patents All Time
David W. Smith has been granted 69 US patents while listed as an inventor at Townsend Engineering. The first was granted in 1980 and the most recent in November 2025. David W. Smith ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list David W. Smith in Oakmont, PA, US.

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12471887 Motion detection using ping-based and multiple aperture doppler ultrasound Donald F. Specht, Kenneth D. Brewer, Josef R. Call, Viet Huy Le, Bruce R. Ritzi 2025-11-18
11992616 Respiratory interface device including custom features Jonathan Sayer Grashow, Lauren Patricia Chodkowski 2024-05-28 $2,083,000
11639422 Skin-contact product having moisture and microclimate control Nicolaas Petrus Willard, Mareike Klee, Lucas Johannes Anna Maria Beckers, Dirk Burdinski, Joyce Van Zanten +4 more 2023-05-02 $2,393,000
11089998 System for increasing a patient's compliance with a therapy relating to an upper airway disorder Mareike Klee, Jacob Roger Haartsen, Mark Steven Aloia, Richard Andrew Sofranko 2021-08-17 $1,563,000
10975204 Skin-contact product having moisture and microclimate control Nicolaas Petrus Willard, Mareike Klee, Lucas Johannes Anna Maria Beckers, Dirk Burdinski, Joyce Van Zanten +3 more 2021-04-13 $2,035,000
10829322 Device and method for unloading bulk materials from a vehicle 2020-11-10 $7,982,000
9827351 Medical and non-medical devices made from hydrophilic rubber materials Dirk Burdinski, Joyce Van Zanten, Lucas Johannes Anna Maria Beckers, Cornelis Petrus Hendriks, Willem Franke Pasveer +3 more 2017-11-28 $1,502,000
9789273 Sensor and valve integrated into a patient interface Christopher Scott Lucci, Harol Allen Lockhart, Nathan Francis O'Connor, Jonathan Sayer Grashow 2017-10-17 $1,059,000
9700694 Patient interface device including a dynamic self adjustment mechanism Anthony Vincent Startare, Anthony Jon Bafile, Christopher Adam Cioccio, Peter Chi Fai Ho 2017-07-11 $1,293,000
9518139 Water-absorbing elastomeric material Dirk Burdinski, Joyce Van Zanten, Lucas Johannes Anna Maria Beckers, Cornelis Petrus Hendriks, Willem Franke Pasveer +3 more 2016-12-13 $1,133,000
9302065 Patient interface device with adjustable headgear and frame Gregory John Jablonski, Derrick Blake Andrews, Harold Allen Lockhart 2016-04-05 $686,000
8997736 Interface apparatus identification system and method and differentiating feature therefor 2015-04-07 $641,000
8771622 Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives Ronald O. HUGHES, Jessica A. Mote, Alain Vandendoren, James D. Phillip 2014-07-08
8679307 Method and apparatus for preparing specimens for microscopy Paul E. Fischione, Alan C. Robins, Rocco R. Cerchiara, Joseph M. Matesa 2014-03-25
8634900 Mask comfort diagnostic method 2014-01-21 $824,000
8337571 Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite James D. Phillip, Jessica A. Mote 2012-12-25
7782844 Method and apparatus for pattern matching on single and multiple pattern structures 2010-08-24 $5,281,000
7504623 Device and method for milling of material using ions Paul E. Fischione, Michael R. Scheinfein, Joseph M. Matesa, Thomas C. Swihart, III, David Martin 2009-03-17
7325234 System and method for monitoring computer application and resource utilization 2008-01-29 $1,390,000
7132673 Device and method for milling of material using ions Paul E. Fischione, Michael R. Scheinfein, Joseph M. Matesa, Thomas C. Swihart, III, David Martin 2006-11-07
6863972 Synthetic wood component having a foamed polymer backing Christopher Burger, Jeffrey R. Brandt, John Frechette, Kevin T. Burt 2005-03-08
6781429 Latch circuit with metastability trap and method therefor 2004-08-24 $2,825,000
6776952 Method and apparatus for making flexible sheet products for absorbing liquids 2004-08-17
6616889 Method and apparatus for making flexible sheet products for absorbing liquids 2003-09-09
6521064 Pyrotechnic burster composition Gene V. Tracy, David Anderson 2003-02-18