using float device

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Patents Grantslast 30 patents

Information Patent Grant
Autofill shutoff valve
- Patent number 10,781,971
- Issue date Sep 22, 2020
- Graco Minnesota Inc.
- John C. Holman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vent valve
- Patent number 10,774,988
- Issue date Sep 15, 2020
- Graco Minnesota Inc.
- John C. Holman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Centerfill of lubricant reservoir
- Patent number 10,731,791
- Issue date Aug 4, 2020
- Graco Minnesota Inc.
- John C. Holman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Oil level control apparatus
- Patent number 5,911,289
- Issue date Jun 15, 1999
- Clive Gregory Waller
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Constant depth reservoir
- Patent number 5,197,569
- Issue date Mar 30, 1993
- Trico Mfg. Corp.
- David A. Roessler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
3621670
- Patent number 3,621,670
- Issue date Nov 23, 1971
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
2792912
- Patent number 2,792,912
- Issue date May 21, 1957
- G05 - CONTROLLING REGULATING