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ONTRAK SYSTEMS INC

Overview
  • Total Patents
    72
About

ONTRAK SYSTEMS INC has a total of 72 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets semiconductors, machines and chemical engineering are Tianjin zhonghuan advanced material technology co ltd, BEIJING SEMICONDUCTOR SPECIAL EQUIPMENT RES INST 45TH RES INST CHINA ELEC and JEONG IN KWON.

Patent filings per year

Chart showing ONTRAK SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krusell Wilbur C 16
#2 Ryle Lynn 15
#3 Gockel Thomas R 11
#4 Whitelaw Brett A 9
#5 Olson Lorin 9
#6 Thrasher David L 9
#7 Hymes Diane J 8
#8 Delarios John M 6
#9 Simmons Mark A 6
#10 Weldon David E 6

Latest patents

Publication Filing date Title
US5857899A Wafer polishing head with pad dressing element
US5727332A Contamination control in substrate processing system
US5762084A Megasonic bath
AU7264596A Method and apparatus for chemical delivery through the brush
US5924154A Brush assembly apparatus
US5862560A Roller with treading and system including the same
US5809832A Roller positioning apparatus
US5794299A Containment apparatus
US6003185A Hesitation free roller
US5745946A Substrate processing system
US5851041A Wafer holder with spindle assembly and wafer holder actuator
US5861066A Method and apparatus for cleaning edges of contaminated substrates
US5800248A Control of chemical-mechanical polishing rate across a substrate surface
US5723019A Drip chemical delivery method and apparatus
US5693148A Process for brush cleaning
JPH08195363A Semiconductor wafer polishing device with fluid bearing
EP0696495A1 Linear polisher and method for semiconductor wafer planarization
FR2722511A1 Process for removing metals from a scouring device
US5593344A Wafer polishing machine with fluid bearings and drive systems
US5571044A Wafer holder for semiconductor wafer polishing machine