Assignee
NAT REFRIGERATION PRODUCTS
US·8 granted patents·267 citations·filing 1990–1996
Top patents by PatentIndex Score
8 records- 0176US5295359ACombination fluid level indicator and discharge deviceNAT REFRIGERATION PRODUCTS·Filed 1992·Granted Mar 22, 1994·38 cites·20 claims
- 0274US5761924ARefrigerant recycling apparatus and methodNAT REFRIGERATION PRODUCTS·Filed 1996·Granted Jun 9, 1998·29 cites·11 claims
- 0372US5046320ALiquid refrigerant transfer method and systemNAT REFRIGERATION PRODUCTS·Filed 1990·Granted Sep 10, 1991·45 cites·9 claims
- 0471US5606862ACombined refrigerant recovery, evacuation and recharging apparatus and methodNAT REFRIGERATION PRODUCTS·Filed 1996·Granted Mar 4, 1997·41 cites·23 claims
- 0568US5170632ATransportable refrigerant transfer unit and methods of using the sameNAT REFRIGERATION PRODUCTS·Filed 1990·Granted Dec 15, 1992·31 cites·13 claims
- 0665US5685161ARefrigerant recovery and recycling apparatusNAT REFRIGERATION PRODUCTS·Filed 1996·Granted Nov 11, 1997·31 cites·14 claims
- 0760US5247802AMethod for recovering refrigerantNAT REFRIGERATION PRODUCTS·Filed 1991·Granted Sep 28, 1993·32 cites·8 claims
- 0849US5678415ARefrigerant recovery apparatusNAT REFRIGERATION PRODUCTS·Filed 1996·Granted Oct 21, 1997·20 cites·14 claims
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