E01B 3/32

Technology

Patent/Pub #	Title	Filing Date	Issue/Publication Date	Patent Owner
9995006	Railway sleeper composed of fibre-reinforced stoneware	Dec 03, 13	Jun 12, 18	Not available
9890503	High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways	Sep 23, 14	Feb 13, 18	GUTANNA INNOVATIVE CONCRETE AND TECHNOLOGIES, LLC
9714486	Railroad tie and railroad comprising such a railroad tie	Nov 14, 13	Jul 25, 17	LANKHORST ENGINEERED PRODUCTS B.V.
4265400	Concrete sleeper for track circuitry	Apr 06, 79	May 05, 81	CSR Humes Pty. Limited, Hamersley Iron Pty. Limited,

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Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Follows in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited

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Monthly PAIR Information and Watches
Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Watches in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited

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Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Follows in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited