K.
Manz A. Heisler G. Murray W. Murray D. Olds
5,551,247 September 1996Method and Apparatus For Refrigerant Purification
K. Manz D. Olds
5,544,494 August 1996
Refrigerant Recycling Two Bulb Air Purge Valve
K. Manz
5,544,492 August 1996
Refrigerant Recycling Centrifugal Air Purge
K. Manz
5,535,595 July 1996
Refrigerant Handling System and Method with Air Purge and
System Clearing Capabilities
K. Manz S. Sheele
5,517,825 May 1996
Method For Analyzing Refrigerant Properties
D. Olds S. Sheele
5,514,595 May 1996
Thermoelectric Refrigerant Handling
System
K. Manz I. Reyzin
5,497,625 March 1996
Recovery of at Least Two Different and Incompatible Refrigerant Types
R. Shirley G. Murray K. Manz
5,493,869 February 1996
Method
of Sampling and Analyzing Vapor Refrigerant
K. Manz S. Sheele
5,469,714 November 1995
Refrigerant Recycling Unit with Filter Change Indicator
K. Manz
5,417,075 May 1995
Refrigerant Analyzer Using
Boiling Point
K. Manz
5,392,639 February 1995
Refrigerant Recycling with Air Purge and Clearing
K. Manz C. Powers
5,388,416 February 1995
Method of Sampling and Analyzing Vapor Refrigerant
K.
Manz S. Sheele
5,371,019 December 1994
Refrigerant Recycling with Air Purge and Clearing
K. Manz C. Powers
5,367,886 November 1994
Refrigerant Recovery to Multiple Refrigerant Storage
Containers
G. Laukhuf
5,339,642 August 1994
Refrigerant Handling System and Method with Enhanced Recovery Vacuum Capability
K. Manz C. Powers
5,325,675 July 1994
Refrigerant Sentinel
Improvements
D. Olds S. Snyder
5,295,360 March 1994
Inlet Flow Control for Multiple Refrigerants
K. Manz G. Laukhuf
5,231,842 August 1993
Refrigerant Recycling Filter Change Indicator
K. Manz C. Powers
5,211,024 May 1993
Vacuum Pump with Shutoff Valve
G. Murray E. Lyons R. Parks
5,209,653 May 1993
Recovery For Low Pressure Refrigerants
K.
Manz C. Powers, C. Dull
5,209, 077 May 1993
Recycling with Low Side Float and Distillation
K. Manz C. Powers G. Laukhuf
5,203,177 April 1993
Recycling with Subcooling
G.
Laukhuf W. Murray T. Arend G. Murray
5,193,351 March 1993
Refrigerant Recovery with Flow Control Valve
K. Manz C. Powers
5,182,918 February 1993
Refrigerant Recycling
with Multi Refrigerant Air Purge Gauge
K. Manz
5,181,391 January 1993
Refrigerant Recovery with Vacuum Leak Check
K. Manz C. Dull
5,172,562 December 1992
Refrigerant Sentinel
K. Manz
G. Murray C. Dull
5,158,747 October 1992
Refrigerant Clearing Valve
K. Manz M. Ramsey
5,127,239 July 1992
Refrigerant Clearing Method
G. Laukhuf G. Murray
5,095,713 March 1992
Quick Connect Hose Coupling
R. Parks K. Manz
5,080,132 January 1992
Air Purge Gauge with Multi Refrigerant Scales
K. Manz
5,063,749 November 1991
Electronic
Refrigerant Scale
D. Bulla B. Dunham G. Murray
5,046,322 September 1991
Refrigerant Recovery Compressor Oil Separator
K. Manz
5,042,271 August 1991
Refrigerant Recovery and Multiple Pass
Recycling
K. Manz R. Shirley
5,038,578 August 1991
Liquid Pump Recycling
K. Manz R. Shirley
5,033,271 July 1991
Service Method Quick Seal Hoses
K. Manz R. Parks
5,005,375 April 1991
Refrigerant Recycling Automatic Air Purge
K. Manz
5,005,369 April 1991
Refrigerant Recovery Multi Section Condenser K. Manz
4,939,905 July 1990
Refrigerant Recovery Method and Controls
K. Manz R. Shirley
4,938,031 July 1990
Service Station for Refrigeration Equipment
R. Lower K. Manz G. Murray
Re 33,212 May 1990
Ultrasonic Leak Detector
B.
Dunham G. Murray D. Bulla
4,879,546 November 1989
Refrigerant Recovery Full Tank Mechanism
R. Punches G. Murray R. Shirley
4,878,356 November 1989
Refrigerant Recovery
Heat Exchange/Oil Separator
K. Manz R. Shirley
4,809,520 March 1989
Multiple Pass Recycling
K. Manz R. Shirley R. Parks D. Hickman
4,805,416 February 1989
Refrigerant System Analyzer
G. Murray R. Lower B. Dunham D. Bulla
4,798,055 January 1999
Refrigerant Recovery Method and Controls
K. Manz R. Shirley
4,768,347
September 1988
Service Station for Refrigeration Equipment
R. Lower K. Manz G. Murray
4,688,388 August 1987
Compact Vacuum Pump
G. Murray
4,631,006 December 1986
Vacuum Pump with Shaft
Seal
G. Murray
4,540,353 September 1985
Two Stage Vacuum Pump
R. Lower G. Murray
4,523,897 June 1985
Refrigerant Recovery, Purification, and Charging
R. Lower R. Shirley
4,441,330
April 1984
Oil Separator For Refrigerant Recovery Unit
R. Lower R. Shirley
4,364,236 December 1982
Refrigerant Recovery/Recycle and Charging System
R. Cain
4,363,222 December 1982
Selective Mode
Two Stage Vacuum Pump
R. Cain
4,295,794 October 1981
Refrigerant Recovery with Single Heat Exchanger
R. Cain
4,261,178 April 1981
Vacuum Pump
R. Cain
3,982,864 September 1976
Vacuum Pump
J.
Fritch D. Brandeberry
3,837,764 September 1974
Vacuum Pump
J. Fritch D. Brandeberry
3,791,780 February 1974
Permanent Piercing Valve
T. Pignataro, Jr.
3,714,959 February 1973
Grappling Device
T. Pignataro, Jr.
3,574,385 April 1971
Valve Core Remover
J. Fritch
3,561,090 February 1971
Battery Holder
J. Fritch
3,473,966 October 1969
Can Tap Valve
J. Fritch
3,438,656
April 1969
Grappling Device
J. Fritch
3,401,445 September 1968
Charging Tool
R. White J. Fritch
3,299,648 January 1967
Testing Manifold
R. Lacart - Madden Brass
3,118,463 January 1964
Pinch-Off Tool
R. Bishop C. O'Grady
3,078,904 February 1963
Refrigerant Charging Cylinder
R. Bishop
3,052,101 September 1962
Tube Cutter
J. Fritch
2,941,291 June 1960
Hermetic Port Valve
Assembly
R. Lacart – Madden Brass
2,875,777 March 1959
Swivel Tee
R. Lacart – Madden Brass
2,797,552 July 1957
