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David E. Weldon — 27 Patents

APAplex: 7 patents #1 of 32Top 4%

OSOntrak Systems: 7 patents #4 of 45Top 9%

MVMosel Vitelic: 5 patents #50 of 482Top 15%

PRPrysm: 2 patents #25 of 52Top 50%

Lam Research: 1 patents #1,379 of 2,128Top 65%

Gilroy, CA: #41 of 527 inventorsTop 8%

California: #19,967 of 386,348 inventorsTop 6%

Overall (All Time): #142,059 of 4,157,543Top 4%

27 Patents All Time

David E. Weldon has been granted 27 US patents while listed as an inventor at Aplex. The first was granted in 1984 and the most recent in September 2025. David E. Weldon ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list David E. Weldon in Gilroy, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12403968	Vehicles including truck assemblies configured to selectively decouple a wheel of the truck assembly	Connor James Anderson	2025-09-02
12384261	Vehicle charging systems and methods of positioning a charging cable to engage a charging adapter	Jos Goble, Connor James Anderson	2025-08-12
10674123	Large display systems with screen tension adjustability	Scot C. Fairchild	2020-06-02
10063817	Large display systems with screen tension adjustability	Scot C. Fairchild	2018-08-28
6875085	Polishing system including a hydrostatic fluid bearing support	Shu-Hsin Kao, Tim H. Huynh	2005-04-05
6726429	Local store for a wafer processing station	James Sackett, H. Alexander Anderson	2004-04-27
6454641	Hydrostatic fluid bearing support with adjustable inlet heights	Shu-Hsin Kao, Tim H. Huynh	2002-09-24
6322429	Conditioner assembly and a conditioner back support for a chemical mechanical polishing apparatus	Ethan C. Wilson, James A. Allen, Gregory C. Lee, Linh X. Can, Jeffrey M. L. Fontana +2 more	2001-11-27
6315857	Polishing pad shaping and patterning	Tsungnan Cheng, Ethan C. Wilson, Shou-Sung Chang, Gregory C. Lee, Huey-Ming Tzeng +3 more	2001-11-13
6267655	Retaining ring for wafer polishing	Shu-Hsin Kao, Michael A. Leach, Charles J. Regan, Linh X. Can	2001-07-31
6244945	Polishing system including a hydrostatic fluid bearing support	Shu-Hsin Kao, Tim H. Huynh	2001-06-12
6231427	Linear polisher and method for semiconductor wafer planarization	Homayoun Talieh	2001-05-15	$24,907,000
6159083	Polishing head for a chemical mechanical polishing apparatus	Gregory A. Appel, Charles J. Regan, Shou-Sung Chang, Gregory C. Lee	2000-12-12
6126527	Seal for polishing belt center support having a single movable sealed cavity	Shu-Hsin Kao, William F. Lapson, Charles J. Regan	2000-10-03
6086456	Polishing method using a hydrostatic fluid bearing support having fluctuating fluid flow	Shu-Hsin Kao, Tim H. Huynh	2000-07-11
6062959	Polishing system including a hydrostatic fluid bearing support	Shu-Hsin Kao, Tim H. Huynh	2000-05-16
6042457	Conditioner assembly for a chemical mechanical polishing apparatus	Ethan C. Wilson, James A. Allen, Gregory C. Lee, Linh X. Can, Jeffrey M. L. Fontana +2 more	2000-03-28
6000997	Temperature regulation in a CMP process	Shu-Hsin Kao, Shou-Sung Chang, Huey-Ming Tzeng, Gregory C. Lee, Greg Simon +5 more	1999-12-14
5980368	Polishing tool having a sealed fluid chamber for support of polishing pad	Shou-Sung Chang, Shu-Hsin Kao	1999-11-09
5803799	Wafer polishing head	Konstantin Volodarsky	1998-09-08
5800248	Control of chemical-mechanical polishing rate across a substrate surface	Anil K. Pant, Douglas W. Young, Anthony Meyer, Konstantin Volodarsky	1998-09-01
5692947	Linear polisher and method for semiconductor wafer planarization	Homayoun Talieh	1997-12-02
5593344	Wafer polishing machine with fluid bearings and drive systems	Boguslaw Nagorski, Homayoun Talieh	1997-01-14	$2,497,000
5575707	Polishing pad cluster for polishing a semiconductor wafer	Homayoun Talieh	1996-11-19	$2,122,000
5571044	Wafer holder for semiconductor wafer polishing machine	Hooman Bolandi	1996-11-05	$1,938,000