Derek Leman has been granted 13 US patents while listed as an inventor at Carrier . The first was granted in 2001 and the most recent in December 2024. Derek Leman ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Derek Leman in Brownsburg, IN, US.
Patents per Year Patents granted per year, 2001 to 2024 Bar chart with a peak of 2 patents in 2021. peak 2 2001: 1 patents 2001 2007: 1 patents 2008: 1 patents 2008 2010: 1 patents 2012: 1 patents 2012 2016: 1 patents 2017: 1 patents 2017 2018: 1 patents 2020: 1 patents 2020 2021: 2 patents 2022: 1 patents 2022 2024: 1 patents 2024
Issued Patents All Time
Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12173942
Method of operating a heat pump system
Charles A. Cluff
2024-12-24
11215388
Refrigerant charge management
Matthew Austin , Mark W. Shoemaker
2022-01-04
11022357
System and method of operating a variable speed compressor with a two-stage controller
Matthew Austin
2021-06-01
10928080
Climate control outdoor unit with inverter cooling
Mark W. Shoemaker
2021-02-23
10557667
Refrigerant to water heat exchanger
Mark W. Shoemaker
2020-02-11
10006670
Method for managing a refrigerant charge in a multi-purpose HVAC system
Matthew Austin , Aaron M. Bright
2018-06-26
9732998
Method and system of using a reversing valve to control at least two HVAC systems
Matthew Austin
2017-08-15
9488384
Heat pump water module with condensing coil in water storage tank
—
2016-11-08
8267156
Streamlined orifice of outdoor unit
Yu-Qi Wang , Larry D. Burns , Loren D. Hoffman , Duane V. Douglas , William Bruce Sutherlin +2 more
2012-09-18
7708052
Coil support
Christopher J. Ingermann , Loren D. Hoffman , Frank J. David , John A. Wade , Larry D. Burns +2 more
2010-05-04
D562122
Corner top clip
Larry D. Burns , Loren D. Hoffman , Frank J. David
2008-02-19
D538724
Tri-spoke motor cap
Frank J. David , Brian L. DePerro
2007-03-20
6260709
Membrane filter element for chemical-mechanical polishing slurries
Alfred K. Fritzsche
2001-07-17
$40,908,000