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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 = 2,375

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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:
Heat Exchanger
Heat Pump
Refrigerant Control
Temperature Conditioning
Scroll Compressor
Centrifugal Pump
Variable Capacity
Air Conditioning
Thermostat
Fluid Apparatus
Boiler System
Economizer

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.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

The Trane Company
85 Patents

#1 in La Crosse, WI

#99 in Wisconsin

#4,373 in US

#8,944 in the World

La Crosse, WI (US)
La Crosse, WI, United States of America

The Trane Company

Forward Citations = 2,375

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)

Please report any incorrect information to [email protected]
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