Inventor · disambiguated record
Sinnathamby Kupenthirarajan
Also filed as: KUPENTHIRARAJAN SINNATHAMBY
17 granted patents·2 pending applications·630 citations·filing 1994–2006
96Inventor score
Top patents by PatentIndex Score
19 records- 0196US6701994B2Screen frame with integral roll screen compartmentONTARIO LTD 420820·Filed 2002·Granted Mar 9, 2004·73 cites·23 claims
- 0296US6405781B2Screen cassette and compatible framing section thereforONTARIO LTD 420820·Filed 2001·Granted Jun 18, 2002·66 cites·4 claims
- 0392US7210513B2Screen frame with integral roll screen compartment and improvements thereofONTARIO LTD 420820·Filed 2004·Granted May 1, 2007·53 cites·24 claims
- 0491US6209610B1Retractable screen system and improvements thereforONTARIO LTD 420820·Filed 1998·Granted Apr 3, 2001·61 cites·12 claims
- 0588USD517900SBushingONTARIO LTD 420820·Filed 2004·Granted Mar 28, 2006·36 cites·1 claims
- 0688USD507217SBrake padONTARIO LTD 420820·Filed 2004·Granted Jul 12, 2005·37 cites·1 claims
- 0785US6679002B2Retractable screen systemONTARIO LTD 420820·Filed 2001·Granted Jan 20, 2004·36 cites·7 claims
- 0883US6267168B1Screen cassette and compatible framing section thereforONTARIO LTD 420820·Filed 1998·Granted Jul 31, 2001·48 cites·9 claims
- 0983US5687506AParallel balance systemsONTARIO LTD 420820·Filed 1994·Granted Nov 18, 1997·44 cites·27 claims
- 1082USD494401SHousing for roll screenONTARIO LTD 420820·Filed 2003·Granted Aug 17, 2004·27 cites·1 claims
- 1178USD484991SFrame section with dual channelsONTARIO LTD 420820·Filed 2003·Granted Jan 6, 2004·23 cites·1 claims
- 1277USD534059SBracket for a roll screenONTARIO LTD 420820·Filed 2004·Granted Dec 26, 2006·21 cites·1 claims
- 1373USD530193SCorner bracket for a frameONTARIO LTD 420820·Filed 2004·Granted Oct 17, 2006·18 cites·1 claims
- 1473US6446696B1Retractable screen systemPREFERRED ENGINEERING PRODUCTS·Filed 1997·Granted Sep 10, 2002·42 cites·8 claims
- 1572US5946857AParallel balance systemsPREFERRED ENGINEERING PRODUCTS·Filed 1997·Granted Sep 7, 1999·33 cites·7 claims
- 1657US6712404B2Simplified integral inside and outside handle and operator for a latch member for closuresPREFERRED ENGINEERING PRODUCTS·Filed 2001·Granted Mar 30, 2004·10 cites·17 claims
- 1750US2006225847A1Retractable screen system and improvements thereforONTARIO LTD 420820·Filed 2006·Application pending·0 cites
- 1844US2001000878A1Retractable screen system and improvements thereforFiled 2000·Application pending·0 cites
- 1935USD506269SContoured window framing sectionONTARIO LTD 420820·Filed 2003·Granted Jun 14, 2005·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Sinnathamby Kupenthirarajan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →