Guy Glen Rothrock
Engineers at Brandy Ct, Petaluma, CA

License number
Colorado 15833
Issued Date
Sep 13, 1978
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
10 Brandy Ct, Petaluma, CA 94954

Professional information

Guy Rothrock Photo 1

Mobile Fueling Assembly

US Patent:
6701980, Mar 9, 2004
Filed:
Jun 3, 2002
Appl. No.:
10/162483
Inventors:
Guy G. Rothrock - Petaluma CA
Assignee:
Nova Group, Inc - Napa CA
International Classification:
B65B 104
US Classification:
141231, 141387, 141279, 137615
Abstract:
A fueling assembly for use in the transfer of fuel is disclosed. The assembly includes a platform and a plurality of swivel joints and pipe sections. The assembly can be folded onto and supported by the platform, and can be unfolded to extend away from the platform. A vertically-moving assembly and a horizontally-moving assembly are provided, each including two swivel joints and connected to each other by an elbow pipe. A coupler may be attached to one of the swivel joints for releasable coupling with a fueling assembly, and for receiving fuel from the fueling assembly. The hydrant may be attached to a pantograph or to any mobile pipeline or mobile pipe segment.


Guy Rothrock Photo 2

Pit Lid Counterweight Assembly

US Patent:
5673810, Oct 7, 1997
Filed:
Aug 1, 1994
Appl. No.:
8/283573
Inventors:
Guy R. Rothrock - Petaluma CA
Assignee:
Nova Group, Inc. - Napa CA
International Classification:
B65D 2500
US Classification:
220264
Abstract:
A counterweight assembly for a container lid that allows for control over the operating characteristics of the lid during opening and closing. The counterweight assembly is preferably used with a container having one or more walls, a floor, and a lid positioned on top of the walls, the lid being rotatable about a horizontal hinge axis. The counterweight assembly includes a counterweight, and a coupling arm rotatable about a counterweight axis that is located within the container. The counterweight is connected to one end of the coupling arm. The other end of the coupling arm exerts a force against the downward facing surface of the lid.