TUTCO, INC.
Patent Owner
Stats
- 31 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Aug 02, 2016 most recent publication
Details
- 31 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 499 Total Citation Count
- May 01, 1978 Earliest Filing
- 25 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9408257 Silicone band cable heater assembly, method of making and method of useDec 20, 13Aug 02, 16[H05B, H01R]
9320083 Multiple stage open coil electric resistance heater with balanced coil power arrangement and method of useJan 31, 13Apr 19, 16[F24H, H05B]
9212451 Two level electric resistance heater and method of useJan 06, 12Dec 15, 15[F24H, D06F, H05B, F26B]
9095004 Insulator for open coil electrical resistance heater, heater using same, and method of useSep 10, 12Jul 28, 15[H05B]
8278605 Multiple stage open coil electric resistance heater with balanced coil arrangement and heater cool end termination and method of useJul 23, 08Oct 02, 12[H05B, H01C]
7947932 Open coil electric resistance heater with offset coil support and method of useNov 30, 07May 24, 11[H05B, H01C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2010/0300,541 HVAC branch line, method of making, and method of useAbandonedJun 02, 09Dec 02, 10[F16L, F17D, B21D]
2008/0230,619 Heating or heating and air conditioning unit with noise abatement feature and method of useAbandonedMar 14, 08Sep 25, 08[H05B]
6770855 Methods of assembling open coil electrical resistance heaters involving butt welding of rails and using welded insulator support clips with bendable tabsExpiredApr 02, 03Aug 03, 04[H05B]
6294258 Appliance windows coated with thermochromic polymer dispersed liquid crystalExpiredMay 18, 00Sep 25, 01[B23B]
6223580 Method and apparatus for continuous monitoring and amplitude adjustment of adjustable length heating elementExpiredJan 04, 00May 01, 01[B21C]
6057529 Combination temperature sensor, warning light sensor and light indicator for heating elementsExpiredMay 29, 98May 02, 00[H05B]
4675511 Electric heater having an insulator with sloped guide surfaces and notches receiving a heater coilExpiredJul 02, 85Jun 23, 87[H05B]
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