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Leicester, United Kingdom

Land Instruments International Limited

USPTO Granted Patents = 16

EPO Patents = 5

Trademarks = 6

Forward Citations = 134

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20 inventors (with patents filed for the assignee):

Ian Hamilton Ridley (7 out of 8 patents)

Stuart Francis Metcalfe (4 out of 4 patents)

Peter Fearnehough (4 out of 4 patents)

4. Andrew Mellor (2 out of 2 patents)

5. Richard Andrew Hovan (2 out of 2 patents)

6. Derek D Stuart (2 out of 2 patents)

7. Susan Fiona Turner (1 out of 1 patent)

8. Mark Ashton Bennett (1 out of 1 patent)

9. Neil George Simpson (1 out of 1 patent)

10. Peter Drögmöller (1 out of 1 patent)

11. Thomas Geoffrey Ronald Beynon (1 out of 1 patent)

12. Ben Wileman (1 out of 1 patent)

13. Adrian John Masefield Lyndon (1 out of 1 patent)

14. Richard Eric Whiteside (1 out of 1 patent)

15. David E Leadley (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 11312648 - Control system for furnace (2022-04-26),

2. 8536514 - Method and apparatus for measuring the temperature of a sheet material (2013-09-17),

3. 8042997 - Radiation thermometer (2011-10-25),

4. 7624758 - Fluid flow controller (2009-12-01),

5. 7469717 - Fail safe shutter for use with a cross-stack monitor (2008-12-30),

6. 7429112 - Retro-reflector assembly and opacity monitor incorporating same (2008-09-30),

7. 7422365 - Thermal imaging system and method (2008-09-09),

8. 7209854 - Temperature monitoring system (2007-04-24),

9. 6782767 - Gas sample probe for a gas analyzer (2004-08-31),

10. 6781695 - Light source for open-path gas monitoring (2004-08-24),

11. 5696703 - Method and apparatus for non-contact temperature measurement (1997-12-09),

12. 5655838 - Radiation thermometer with a focusing system (1997-08-12),

13. 5655837 - Radiation thermometers (1997-08-12),

14. 5617212 - Open-path gas monitoring (1997-04-01),

15. 5613777 - Improvements relating to radiation thermometers (1997-03-25),

Land Instruments International Limited is a leading manufacturer of non-contact temperature measurement and combustion monitoring solutions for industrial applications. With over 70 years of experience, they provide high-quality products and services to customers worldwide, ensuring efficient and reliable temperature monitoring in a variety of industries including steel, glass, and power generation.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

16 Patents

#3 in Leicester

#1,106 in United Kingdom

#36,759 in the World

Leicester, United Kingdom

Land Instruments International Limited

Forward Citations = 134

20 inventors:

Ian Hamilton Ridley (7 out of 8 patents)

Stuart Francis Metcalfe (4 out of 4 patents)

Peter Fearnehough (4 out of 4 patents)

4. Andrew Mellor (2 out of 2 patents)

5. Richard Andrew Hovan (2 out of 2 patents)

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