10 picks in Energy & batteries came off patent this week
Out of 3,852 patents the USPTO marked expired for unpaid fees, these are the strongest leads in energy & batteries, ranked by our opportunity score.
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1
Leakage-reduction capacitor network for AC-to-DC power adapters
A circuit for two-stage AC-to-DC power adapters that routes common-mode noise from the isolated secondary back to the primary while limiting dangerous high-voltage leakage onto the...
75score / 100 -
2
Power management system that estimates per-outlet usage from total meter plus per-outlet current sensors
A system for homes or small buildings that combines a single total power meter with current sensors on individual outlets to estimate each outlet’s power use. Current-sensing outlet...
74score / 100 -
3
Solar air heater with channeled partitions creating isolated flow sections
A roof- or wall-mounted solar air heater that divides its cavity into multiple largely isolated sections using parallel partitions that contain many parallel channels. Air is forced...
72score / 100 -
4
A floating humidifier module that sits and operates on water in its tank
A small ultrasonic humidifier assembly designed to float on the water inside its own tank. The floating body holds an ultrasonic vibrator, draws water through an inflow hole, produces...
71score / 100 -
5
Perforated flange insert that damps TXV, evaporator gurgle
A tubular noise-reduction insert that fits into the refrigerant inlet between a thermal expansion valve (TXV) housing and an evaporator. It is a hollow body with a flange on one end and...
70score / 100 -
6
Holding and fastening device Pro
The write-up, demand check and manufacturing notes are for Pro members.
··score / 100 -
7
Waste air flow capture system Pro
The write-up, demand check and manufacturing notes are for Pro members.
··score / 100 -
8
Solar heating system with overheating protection Pro
The write-up, demand check and manufacturing notes are for Pro members.
··score / 100 -
9
Hybrid power generating device Pro
The write-up, demand check and manufacturing notes are for Pro members.
··score / 100 -
10
De-super heater chiller system with contra flow and refrigerating fan grill Pro
The write-up, demand check and manufacturing notes are for Pro members.
··score / 100
