HYDRIL COMPANY LP
Patent Owner
Stats
- 56 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 02, 2017 most recent publication
Details
- 56 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 5,853 Total Citation Count
- Jun 11, 1973 Earliest Filing
- 138 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2012/0074,693 STEP-TO-STEP WEDGE THREAD CONNECTIONS AND RELATED METHODSAbandonedSep 24, 10Mar 29, 12[F16L]
2007/0167,051 DATA COMMUNICATIONS EMBEDDED IN THREADED CONNECTIONSAbandonedDec 28, 06Jul 19, 07[H01R]
2003/0222,409 Non-rotating expandable connection with collapsing type sealAbandonedApr 01, 03Dec 04, 03[F16L]
5609440 Apparatus and method for arresting the propagation of a buckle in a pipelineExpiredJun 16, 95Mar 11, 97[F16L]
4817962 Universal tubular connection having a variable metal-to-metal seal width corresponding to material yield strengthExpiredDec 28, 87Apr 04, 89[F16L, F16J]
4795200 Lengthened tubular pin member nose for improving sealing integrity and bearing forcesExpiredMar 09, 88Jan 03, 89[F16L]
4753460 Tubular connection having two thread sets with multiple interengaging characteristicsExpiredApr 26, 85Jun 28, 88[F16L]
4736967 Tubular pin configuration to prevent galling while ensuring sealingExpiredDec 04, 86Apr 12, 88[F16L]
Top Inventors for This Owner
Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.