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Inventor

Hans Jochen Koellner

Inventor
Santa Barbara, CA, US

Overview

3→
Patents
1996–2000
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A47Jprimary
A47JKitchen equipment22%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact22%
H05BElectric heating22%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution22%
B61BRailway systems11%
PatentTitleYear
6,108,489'Food warning device containing a rechargeable phase change material'20005,884,006'Rechargeable phase change material unit and food warming device'19995,528,219'Ropeway safety monitoring system'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to DOPPELMAYR & SOHN (1)· patent assignee history
1996–2000Based in Santa Barbara, CA, US· patent location history
1999Based in San Diego, CA, US· patent location history
2000Patents assigned to PHASE CHANGE LAB INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOPPELMAYR & SOHN11996
PHASE CHANGE LAB INC12000
Locations
LocationPatentsSpan
Santa Barbara, California, US21996–2000
San Diego, California, US11999