Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753774 | Anchoring device for a railway rail fastening assembly | John Phillip Porrill, John D. Spencer, Brenton Keast, Steven Harkness, Chris Lea | 2023-09-12 |
| 11248349 | Pad for a railway rail fastening assembly | Robert John Hamilton | 2022-02-15 |
| 9951479 | Railway rail fastening clip and pad for recessed railseats | Christopher Gardner | 2018-04-24 |
| 9903074 | Railway rail anchoring device | — | 2018-02-27 |
| 9562330 | Railway rail fastening clip and pad for recessed railseats | Christopher Gardner | 2017-02-07 |
| 9340929 | Components of a railway rail fastening assembly | David Christopher Herron | 2016-05-17 |
| 9315947 | Railway rail fastening clip and insulator | Christopher Gardner, Frank Howard Coats, Louis M. Notarianni | 2016-04-19 |
| 8905322 | Railway rail pad | Robert John Hamilton, Christopher Gardner | 2014-12-09 |
| 8888012 | Insulator for railway fastening clip and railway rail fastening clip for use therewith | Robert John Hamilton, Christopher Gardner | 2014-11-18 |
| 8833671 | Suspended rail fastening apparatus | Andrew Garwood, Keith Poole | 2014-09-16 |
| 8763923 | Railway rail fastening apparatus | John Phillip Porrill, Anthony Adedipe, Nicholas Lloyd | 2014-07-01 |
| 8684280 | Fastening railway rails | — | 2014-04-01 |
| 8286891 | Components for rail fastening assembly | Robert John Hamilton | 2012-10-16 |
| 8201751 | Railway rail pad | Robert John Hamilton | 2012-06-19 |
| 8146835 | Sealing plate for railway rail clip anchoring device and sleeper manufacturing method | John Phillip Porrill | 2012-04-03 |
| 7954727 | Anchoring devices for rail fastening clips | John Phillip Porrill, Robert John Hamilton, Jozef Nevidal, Martin Somerset, Paul Hewlett +1 more | 2011-06-07 |
| 7845578 | Railway rail fastening clip | Martin Somerset, Paul Hewlett, Christopher Gardner | 2010-12-07 |
| 6761322 | Railway baseplate assembly | John Phillip Porrill | 2004-07-13 |
| 6651897 | Suspended rail fastening assembly | John Phillip Porrill | 2003-11-25 |
| 6079631 | Rail-fastening assembly | Hermann Ortwein, David Seeley, Kenneth George Allen, Brian G. Conroy, Martin Somerset +2 more | 2000-06-27 |
| 5735458 | Fastening railway rails | Trevor P. Brown, Brian G. Conroy, Christopher Gardner, Roger D. Larke, Barry Marshall +1 more | 1998-04-07 |
| 5718376 | Railway rail-fastening clip and assembly | Barry Marshall, Christopher Gardner, Martin Somerset, Brian G. Conroy | 1998-02-17 |
| 5678762 | Railway rail fastening assemblies including resilient railway rail fastening clips and associated insulators | Timothy Wood, Kevin Stubbs, Martin Somerset, Brian G. Conroy | 1997-10-21 |
| 5566882 | Railway rail-fastening clip and assembly and methods of employing the same | Trevor P. Brown, Brian G. Conroy, Christopher Gardner, Roger D. Larke, Barry Marshall +1 more | 1996-10-22 |
| 5520330 | Railway rail-fastening clip and assembly and methods of employing the same | Trevor P. Brown, Brian G. Conroy, Christopher Gardner, Roger D. Larke, Barry Marshall +1 more | 1996-05-28 |