RETECH SYSTEMS LLC
Patent Owner
Stats
- 14 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- Mar 21, 2017 most recent publication
Details
- 14 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 317 Total Citation Count
- May 05, 1977 Earliest Filing
- 22 Expired/Abandoned/Withdrawn Patents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
2017/0072,461 LASER SENSOR FOR MELT CONTROL OF HEARTH FURNACES AND THE LIKESep 01, 16Mar 16, 17[F27D, B22D]
2017/0056,968 METHOD AND SYSTEM FOR SENSING INGOT POSITION IN REDUCED CROSS-SECTIONAL AREA MOLDSAug 24, 15Mar 02, 17[B22D]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9598747 System and method of melting raw materialsSep 18, 13Mar 21, 17[C22B, H05B, F27B, F27D, B22D]
7637307 Adjustable feed chute and associated method of feeding and meltingSep 15, 06Dec 29, 09[C22B, B22D]
7470305 Method and apparatus for alternating pouring from common hearth in plasma furnaceJan 19, 05Dec 30, 08[C22B]
7137436 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodesFeb 16, 05Nov 21, 06[B22D]
6904955 Method and apparatus for alternating pouring from common hearth in plasma furnaceSep 20, 02Jun 14, 05[B22D]
6868896 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodesSep 20, 02Mar 22, 05[B22D]
6712875 Method and apparatus for optimized mixing in a common hearth in plasma furnaceSep 20, 02Mar 30, 04[C21B]
6637499 Heat shield with adjustable discharge opening for use in a casting furnaceFeb 06, 02Oct 28, 03[B22D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodesExpiredSep 15, 06Mar 17, 09[C22B, B22D]
5812586 Method and apparatus for removing a molten slag with a vacuum from a chamberExpiredJun 19, 96Sep 22, 98[H05B, F27D]
5792378 Method and apparatus for controlling the flow rate and aiming when pouring molten material from a containerExpiredAug 02, 96Aug 11, 98[B22D]
5532448 System for feeding toxic waste drums into a treatment chamberExpiredMar 06, 95Jul 02, 96[B23K]
5528012 Apparatus and method for starting a plasma arc treatment systemExpiredMar 28, 94Jun 18, 96[B23K]
5226949 Method and apparatus for removal of floating impurities on liquidExpiredJul 30, 92Jul 13, 93[C22B]
5136137 Apparatus for high temperature disposal of hazardous waste materialsExpiredAug 22, 90Aug 04, 92[B23K]
5005494 Apparatus and method for high temperature disposal of hazardous waste materialsExpiredAug 16, 89Apr 09, 91[F23B]
4795874 Saw blade with non-magnetic inserts for electric arc saw and method of making sameExpiredJan 15, 87Jan 03, 89[B23H]
4770109 Apparatus and method for high temperature disposal of hazardous waste materialsExpiredMay 04, 87Sep 13, 88[F23G]
4637032 Rotary seal for movable shaft to eliminate breakaway frictionExpiredDec 18, 84Jan 13, 87[H05B]
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