North Central Indiana's Innovation Landscape / July 2007I. Home | II. Indiana | III. Region | IV. Innovators' Index | V. University Index | VI. About Patents | VII. Methodology |
Note: You can find the most up-to-date version of this study here. This is the archived copy, completed in July 2007.
gas research institute (vanderburgh county)
City/cities: evansville (5) gary (1) delphi (1)
Patent Data
- Total patents issued since 1976: 7
- Patents issued 1976-1995: 2
- Patents issued 1996-2006: 5
- Last patent received: 5
- IPC Classes of patents received:
Class Description Patents Received F25 REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE 4 F04 POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS 2 F16 ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING 1 G05 CONTROLLING; REGULATING 1 B28 WORKING CEMENT, CLAY, OR STONE 1 B25 HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATO 1 F28 HEAT EXCHANGE IN GENERAL 1 A21 BAKING; EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; DOUGHS FOR BAKING 1 F24 HEATING; RANGES; VENTILATING 1
Patents Owned:
| Patent Number | Issue Date | File Year | Title | Assignees | Inventors | Class |
| US5729999 | 1998-03-24 | 1995 | Helical absorber construction | gas research institute(evansville,in,us) | donald kuhlenschmidt(evansville,in,us) michael w. klintworth(covington,oh,us) | B25B 015/12 B28D 007/12 F28F 013/12 |
| US5689971 | 1997-11-25 | 1996 | Absorption cooling system utilizing helical absorbers | gas research institute(evansville,in,us) | donald kuhlenschmidt(evansville,in,us) michael w. klintworth(covington,oh,us) | F25B 015/12 F25B 037/00 |
| US5911746 | 1999-06-15 | 1997 | Gax absorption cycle with secondary refrigerant | gas research institute(evansville,in,us) | donald kuhlenschmidt(evansville,in,us) | F25B 015/00 |
| US6880545 | 2005-04-19 | 2003 | Dual conveyor jet impingement oven | gas research institute(delphi,in,us) | albert j. heber(delphi,in,us) laxminarasimhan vasan(san dimas,ca,us) james t. cole(algonquin,il,us) | A21B 001/00 F24C 015/32 |
| US5624246 | 1997-04-29 | 1995 | Hydraulic ammonia solution pump | gas research institute(evansville,in,us) | donald kuhlenschmidt(evansville,in,us) | F04B 009/08 F04B 035/02 |
| US6112137 | 2000-08-29 | 1998 | Adaptive system for predictive control of district pressure regulators | gas research institute(gary,in,us) | joe mccarty(gary,in,us) christopher j. ziolkowski(elmhurst,il,us) | G05D 016/00 |
| US6000235 | 1999-12-14 | 1997 | Absorption cooling and heating refrigeration system flow valve | gas research institute(evansville,in,us) | donald kuhlenschmidt(evansville,in,us) | F25B 013/00 F16K 031/44 |
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