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For the Inventor, By the Inventor

La Crosse, WI, United States of America

The Trane Company


USPTO Granted Patents = 85

Forward Citations = 2,359

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80 inventors (with patents filed for the assignee):

goldMedal Arthur L Butterworth (8 out of 15 patents)

silverMedal James F Saunders (8 out of 8 patents)

bronzeMedal Robert E Krocker (6 out of 9 patents)

4.  David H Eber (5 out of 16 patents)

5.  Robert E Utter (5 out of 26 patents)

6.  Chester D Ware (5 out of 5 patents)

7.  Alan G Butt (5 out of 5 patents)

8.  Paul C Rentmeester (4 out of 14 patents)

9.  Peter J Linnert (3 out of 7 patents)

10.  Duane F Sanborn (3 out of 7 patents)

11.  Arlo F Teegarden (3 out of 5 patents)

12.  Dennis A Stanke (3 out of 3 patents)

13.  Mark O Bergman (3 out of 3 patents)

14.  John Robert Sauls (2 out of 18 patents)

15.  Andrew J Schlangen (2 out of 3 patents)


Core Competencies:
Temperature Conditioning
Heat Exchanger
Scroll Compressor
Variable Capacity Control
Heat Pump
Centrifugal Pump
Lubrication System
Defrosting Control
Gas Compressor
Fluid Apparatus
Air Volume Control
Refrigeration Circuit

85 patents:

1. 4501125 - Temperature conditioning system staging control and method (1985-02-26),
2. 4498220 - Method for pre-expanding heat exchanger tube (1985-02-12),
3. D276933 - Heat exchanger (1984-12-25),
4. 4488855 - Main bearing lubrication system for scroll machine (1984-12-18),
5. 4487028 - Control for a variable capacity temperature conditioning system (1984-12-11),
6. 4484452 - Heat pump refrigerant charge control system (1984-11-27),
7. 4483156 - Bi-directional variable subcooler for heat pumps (1984-11-20),
8. 4478277 - Heat exchanger having uniform surface temperature and improved (1984-10-23),
9. 4462771 - Wrap element and tip seal for use in fluid apparatus of the scroll type (1984-07-31),
10. 4450903 - Plate type heat exchanger with transverse hollow slotted bar (1984-05-29),
11. 4446915 - Heat exchanger tube circuits (1984-05-08),
12. 4446913 - Auto changeover thermostat with means for handling temperature entry (1984-05-08),
13. 4432693 - Centrifugal pump impeller (1984-02-21),
14. 4431388 - Controlled suction unloading in a scroll compressor (1984-02-14),
15. 4431380 - Scroll compressor with controlled suction unloading using coupling means (1984-02-14),
The Trane Company is a leading global provider of heating, ventilation, and air conditioning (HVAC) solutions. With a history dating back to 1885, Trane has built a reputation for innovation, quality, and reliability in the HVAC industry. Their comprehensive range of products and services includes air conditioners, heat pumps, furnaces, controls, and building automation systems. Trane is committed to delivering energy-efficient and sustainable solutions to their customers, resulting in improved comfort and reduced operating costs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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85 Patents

#1 in La Crosse, WI

#98 in Wisconsin

#4,219 in US

#8,664 in the World

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La Crosse, WI, United States of America

The Trane Company

Forward Citations = 2,359

80 inventors:

goldMedal Arthur L Butterworth (8 out of 15 patents)

silverMedal James F Saunders (8 out of 8 patents)

bronzeMedal Robert E Krocker (6 out of 9 patents)

4.  David H Eber (5 out of 16 patents)

5.  Robert E Utter (5 out of 26 patents)

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