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

Donald P. Smith — 44 Patents

UNUnknown: 10 patents #823 of 83,584Top 1%
PCPatentsmith Corportion: 7 patents #1 of 8Top 15%
PIPatentsmith Ii: 7 patents #1 of 6Top 20%
PTPatentsmith Technology: 4 patents #4 of 8Top 50%
PHPharmacia: 1 patents #1,178 of 1,582Top 75%
LMLincoln Manufacturing: 1 patents #11 of 20Top 60%
SIStein Industries: 1 patents #51 of 35Top 150%
BCBlack Knight Ip Holding Company: 1 patents #7 of 15Top 50%
San Ramon, CA: #68 of 2,140 inventorsTop 4%
California: #9,924 of 386,348 inventorsTop 3%
Overall (All Time): #66,838 of 4,157,543Top 2%
44 Patents All Time
Donald P. Smith has been granted 44 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in September 2024. Donald P. Smith ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Donald P. Smith in San Ramon, CA, US.

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12084001 Hitch-mounted door carrier assembly 2024-09-10
D893321 Welder's gauge 2020-08-18
10490961 Flush ring spacer for electrical receptacles 2019-11-26
10353761 Asynchronous sensors Daniel Brian Sogorka, Mark Richard Johnson, John David Holbrook, Jeffrey Albert Sanderson, Ronald Lynn Frazier 2019-07-16
D838250 Flush ring spacer design for electrical receptacles 2019-01-15
9446427 Liquid sheeting device 2016-09-20
6453950 Tube for conveying a liquid 2002-09-24
6452007 Crystal forms of 1-[5-methanesulfonamidoindolyl-2-carbonyl]-4-[3-(1-methylethylamino)-2-pyridinyl]piperazine Jeffrey L. Havens, Michael Bergren, Mark A. Lyster 2002-09-17 $63,338,000
5818014 Air dispensers for microwave oven Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris, Neal S. Cooper, Carl J. Dougherty 1998-10-06
5683240 Balanced air return convection oven Jarald E. High, Michael J. Dobie 1997-11-04
5582758 Method and apparatus for vending hot food Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1996-12-10
5539187 Microwave oven for heating food products Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1996-07-23
5510601 Convection heat transfer apparatus Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1996-04-23
5449888 Microwave vending machine Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1995-09-12
5423248 Air circulator for impingement heat transfer apparatus Jarald E. High, Michael J. Dobie 1995-06-13
5404808 Carrier for hot food Jarald E. High, John R. Norris 1995-04-11
5401940 Oscillating air dispensers for microwave oven Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1995-03-28
5398666 Turntable convection heater William W. Plumb, Jarald E. High 1995-03-21
5365918 Oven with short radius door Jarald E. High 1994-11-22
5310978 Method and apparatus for controlling the temperature and surface texture of a food product Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1994-05-10
5210387 Food handling system Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris, Donald P. Lohr, Gerald Easterling +1 more 1993-05-11
5205274 Turntable convection oven William W. Plumb, Jarald E. High 1993-04-27
5161889 Heat transfer rate target module Jarald E. High, John R. Norris 1992-11-10
5147994 Microwave vending machine Michael J. Dobie, Alden B. Sparman, Sr., John R. Norris 1992-09-15
5134263 Infrared heating control J. E. High, William W. Plumb 1992-07-28