Inventor

Christof Keller

Inventor

Austin, TX, US

Overview

5→

Patents

2003–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables17%

A45CPurses11%

B29CShaping or joining of plastics11%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

F25DRefrigerators11%

Y10TTechnical subjects covered by former us classification11%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials6%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

10,994,917Insulating device and method for forming insulating device2021 10,994,918Insulating device and method for forming insulating device2021 7,862,020'Method for forming stacks from upright positioned, successively lined up signatures and arrangement for realizing the method'2011 7,168,910'Device for transporting a horizontal stack positioned on a support and formed in a gathering machine with upright, lined-up signatures'2007 6,568,672'Device for forming a stack of successively arranged printed sheets'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to GRAPHA HOLDING AG (1)· patent assignee history

2003–2007Based in Zofingen, CH· patent location history

2007–2011Patents assigned to MUELLER MARTINI HOLDING AG (2)· patent assignee history

2011Based in Newport News, VA, US· patent location history

2021Patents assigned to YETI COOLERS LLC (2)· patent assignee history

2021Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MUELLER MARTINI HOLDING AG	2	2007–2011
YETI COOLERS LLC	2	2021
GRAPHA HOLDING AG	1	2003

Locations

Location	Patents	Span
Austin, Texas, US	2	2021
Zofingen, CH	2	2003–2007
Newport News, Virginia, US	1	2011