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name:-0.0048751831054688
name:-0.0085799694061279
name:-0.00062298774719238
Davis, Jr.; John A. Patent Filings

Davis, Jr.; John A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Davis, Jr.; John A..The latest application filed is for "method of making a hypereutectoid, head hardened steel rail".

Company Profile
0.6.3
  • Davis, Jr.; John A. - Harrisburg PA
  • Davis, Jr.; John A. - Santa Barbara CA
  • Davis, Jr.; John A. - Littleton CO
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Hypereutectoid-head steel rail
Grant 9,512,501 - Bramfitt , et al. December 6, 2
2016-12-06
Method Of Making A Hypereutectoid, Head Hardened Steel Rail
App 20140246130 - BRAMFITT; Bruce L. ;   et al.
2014-09-04
Hypereutectoid, head-hardened steel rail
Grant 8,721,807 - Bramfitt , et al. May 13, 2
2014-05-13
Method Of Making Hypereutectoid, Head-hardened Steel Rail
App 20120298263 - BRAMFITT; Bruce L. ;   et al.
2012-11-29
Method of making a hypereutectoid, head-hardened steel rail
Grant 8,241,442 - Bramfitt , et al. August 14, 2
2012-08-14
Method Of Making A Hypereutectoid, Head-hardened Steel Rail
App 20110139320 - BRAMFITT; Bruce L. ;   et al.
2011-06-16
Dewar cryopumping using molecular sieve
Grant 4,950,421 - Davis, Jr. , et al. * August 21, 1
1990-08-21
Waterflooding By Regulating The Total Hardness Within The Drive Water
Grant 3,707,190 - Davis, Jr. , et al. December 26, 1
1972-12-26
Company Registrations

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