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For the Inventor, By the Inventor

Derby, United Kingdom

John H Sadler

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Rolls-Royce Corporation. Active years: 1983-1993.

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 6

Forward Citations = 141(Granted Patents)


Location History:

  • Aston-on-Trent, GB (1983 - 1984)
  • Derby, GB (1984 - 1993)

Company Filing History:

goldMedal6 out of 6,025 
 
Rolls-Royce Corporation
 patents

Years Active: 1983-1993

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6 patents (USPTO):Explore Patents
1. 5192186 - Gas turbine engine (1993-03-09),
2. 5031288 - Method of manufacturing a rotor assembly (1991-07-16),
3. 4484859 - Rotor blade for a gas turbine engine (1984-11-27),
4. 4441859 - Rotor blade for a gas turbine engine (1984-04-10),
5. 4422229 - Method of making an airfoil member for a gas turbine engine (1983-12-27),
6. 4419044 - Gas turbine engine (1983-12-06),
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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