Inventor
Lee L. Sibik
Inventor
Onalaska, WI, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems32%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
F04DNon-positive-displacement pumps7%
F04BPositive-displacement machines for liquids5%
F25DRefrigerators5%
G05BControl or regulating systems in general5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
F24FAir-conditioning4%
F28BSteam or vapour condensers4%
G05DSystems for controlling or regulating non-electric variables4%
PatentTitleYear
11,085,684System and method for unloading a multi-stage compressor202110,634,405Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive202010,619,900Accumulator for charge management202010,612,827Chiller capacity control apparatuses, methods, and systems202010,422,559Refrigerant level management in heat exchangers of an HVAC chiller20199,989,943HVAC systems and controls20189,903,626'Fluid management in a HVAC system'20189,823,005'Methods and systems for detecting and recovering from control instability caused by impeller stall'20179,746,228'Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive'20179,677,795'Refrigerant management in a HVAC system'20179,523,523'System and method for managing fluid level in a HVAC system'20166,318,117'Absorption chiller with counter flow generator'20016,276,152'Chiller capacity control with variable chilled water flow compensation'20016,266,964'Use of electronic expansion valve to maintain minimum oil flow'20016,085,532'Chiller capacity control with variable chilled water flow compensation'20006,050,098'Use of electronic expansion valve to maintain minimum oil flow'20005,950,443'Compressor minimum capacity control'19995,916,251'Steam flow regulation in an absorption chiller'19995,848,535'Control system having a binomial setpoint filter'19985,813,241'Crytallization detection and recovery for two-stage absorption refrigeration machine'19985,809,794'Feed forward control of expansion valve'19985,632,154'Feed forward control of expansion valve'19975,586,447'Concentration control in an absorption chiller'19965,419,146'Evaporator water temperature control for a chiller system'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2000Patents assigned to AMERICAN STANDARD INC (6)· patent assignee history
1995–2021Based in Onalaska, WI, US· patent location history
1996–1999Patents assigned to GAS RES INST (4)· patent assignee history
2001Patents assigned to AMERICAN STANDARD INT INC (3)· patent assignee history
2016–2021Patents assigned to TRANE INT INC (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRANE INT INC | 11 | 2016–2021 |
| AMERICAN STANDARD INC | 6 | 1995–2000 |
| GAS RES INST | 4 | 1996–1999 |
| AMERICAN STANDARD INT INC | 3 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Onalaska, WI, US | 24 | 1995–2021 |