Inventor

James Ritchie

Inventor

Ennetbaden, CH

Overview

5→

Patents

2007–2011

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 5 as inventor

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines38%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants31%

B23PMetal-working not otherwise provided for8%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g8%

Y02TClimate change mitigation technologies related to transportation8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

7,874,791'Turbomachine'2011 7,654,797'Blade with shroud'2010 7,458,772'Guide vane ring of a turbomachine and associated modification method'2008 7,326,033'Turbomachine blade'2008 7,231,713'Method of reconditioning a turbine blade'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2011Patents assigned to ALSTOM TECHNOLOGY LTD (5)· patent assignee history

2007–2011Based in Ennetbaden, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALSTOM TECHNOLOGY LTD	5	2007–2011

Locations

Location	Patents	Span
Ennetbaden, CH	5	2007–2011