Kevin M Walker

US Patent:

20230022879, Jan 26, 2023

Filed:

Jul 6, 2022

Appl. No.:

17/858306

Inventors:

- Johnson IA, US
Kevin Walker - Johnston IA, US

International Classification:

A62C 2/20
A62C 2/24
E05F 15/72

Abstract:

In one or more arrangements, a system is presented for preventing the spread of fire through a conveyor opening in a fire wall. In one or more arrangements, a fire door system is connected to the fire wall and/or conveyor proximate to the conveyor opening. The fire door system includes a door assembly, a door frame assembly, and an actuator. The door frame assembly is connected to the fire wall, covers portions of the opening below the conveyor and between belts of the conveyor, and forms a door opening above the conveyor. The door assembly is configured to move between a closed position, where door assembly covers the door opening, and an open position, where the door assembly at least partially uncovers the door opening. The actuator is configured to cause the door to be moved to the closed position in response to fire.

US Patent:

20190392080, Dec 26, 2019

Filed:

Jun 21, 2018

Appl. No.:

16/014645

Inventors:

- Ames IA, US
Kyle James McMorrow - Ames IA, US
Kevin Curtis Walker - Ames IA, US
Taylor Marie Wertzberger - Ames IA, US

International Classification:

G06F 17/30
G06F 3/0482

Abstract:

A method for filtering a set of records on a user interface involves displaying a set of records, each record of the set comprising a first field and a second field; removing, from the displayed set, one or more records according to a filter of the first field, thereby leaving a subset of the set of records displayed; displaying filters for the second field; and for at least one of the displayed filters, visually indicating that, due to a currently-applied filter, the at least one displayed filter does not apply to any of the records of the subset.