Gregory Lavell Shepherd

age ~70

from Houston, TX

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Corporate Law • Commercial Law

Multicast Operations Using Prioritized State Information
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US Patent:

8018964, Sep 13, 2011
Filed:

Dec 16, 2005
Appl. No.:

11/303170
Inventors:

Toerless Eckert - Mountain View CA, US
Gregory J Shepherd - Eugene OR, US
Assignee:

Cisco Technology, Inc. - San Jose CA
International Classification:

H04J 3/26
US Classification:

370432, 370312, 3703953, 37039531
Abstract:

A classification mechanism to allow selected classes of multicast entries to be acted upon in a chosen order of priority during multicast distribution tree convergence is provided. Such prioritization allows for the designation of customers, networks or multicast groups to receive faster convergence of multicast distribution trees to modified multicast distribution trees in response to unavailability of an upstream router, and in performing other multicast-related tasks (e. g. , PIM joins and prunes). One aspect of the present invention provides for multicast entries (also called multicast states) that are at a same priority level to be acted upon in a fair manner, thereby avoiding having certain multicast entries and their associated users from being acted upon consistently last.

Drift Eliminator, Light Trap, And Method Of Forming Same
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US Patent:

20050120688, Jun 9, 2005
Filed:

Dec 8, 2003
Appl. No.:

10/728895
Inventors:

Gregory Shepherd - Houston TX, US
International Classification:

B01D045/00
US Classification:

055440000
Abstract:

A drift eliminator is provided in which water laden air which enters the drift eliminator exits the drift eliminator having less than about 0.01% of water by volume therein. The drift eliminator is formed of sheets which are manufactured such that they can be nested in each other to create substantially no gap between sheets of adjacent air channel modules. As a result, a plurality of air channel modules can be combined, by nesting, to create a larger drift eliminator, without sacrificing the precision to which entrained water may be removed from air passing through the drift eliminator. In an alternate embodiment, a light trap is also provided which enables air, but substantially no light, to pass through air channels formed therein.

Slat Fill Hanger For Cooling Towers And Slat For Use In Same
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US Patent:

20070176308, Aug 2, 2007
Filed:

Jan 31, 2006
Appl. No.:

11/343213
Inventors:

Gregory Shepherd - Houston TX, US
International Classification:

B01F 3/04
US Classification:

261111000, 261DIG011
Abstract:

A slat fill apparatus includes a hanger and at least one slat. The hanger includes a first plurality of support members oriented in a first direction; a second plurality of support members oriented in a second direction; and at least one slat retainer projecting from, and integrally formed with, one of the support members. The first and second pluralities of support members define at least one slat receiving channel into which the at least one slat retainer projects. The at least one slat is installed in a corresponding one of the slat receiving channels of the hanger.

Fence And Installation Method Therefor
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US Patent:

20080185565, Aug 7, 2008
Filed:

Feb 6, 2007
Appl. No.:

11/702660
Inventors:

Robert W. Major - Boonville MO, US
Gregory Maury Shepherd - Houston TX, US
International Classification:

E04H 17/08
US Classification:

256 35
Abstract:

A fence and an installation method for a fence or other laterally extending structure, the installation method comprising in one embodiment: obtaining a trench in ground, the trench extending laterally with a top of the trench having a first opening width, and having a first bottom surface; obtaining a hole in the first bottom surface of the trench with an approximate diameter that is at least fifty percent smaller than the first opening width; installing a support post in the hole to extend up above the top of the trench; disposing laterally extending panels at substantially the first bottom surface of the trench and attaching them to approximately opposing ends of a diameter of the post to thereby create a void volume between the panels at least on one side of the post; installing at least one retainer connecting to the panels across the void volume; and filling the void volume with stones or other fill material.

Multicast-Based Content Distribution For Iot Networks Using Bit Index Explicit Replication (Bier)
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US Patent:

20200228439, Jul 16, 2020
Filed:

Jan 15, 2019
Appl. No.:

16/247664
Inventors:

- San Jose CA, US
Ian Wells - Milpitas CA, US
Gregory Shepherd - Eugene OR, US
International Classification:

H04L 12/761
H04L 12/747
H04L 12/721
H04L 12/707
Abstract:

In one embodiment, a local content hub device in a network receives content for distribution to a plurality of nodes in the network. The content is sent to the local content hub via a wide area network (WAN) using bit index explicit replication (BIER) messaging. The local content hub device caches the content and multicasts the cached content to the plurality of nodes in the network. The local content device determines that at least one of the plurality of nodes in the network did not receive the multicast content. The local content device retransmits the content to at least one of the plurality of nodes in the network that did not receive the multicast content.