Assignee
HALM INSTRUMENT CO
27 granted patents·616 citations·filing 1975–1981
Top patents by PatentIndex Score
27 records- 0195US4040804AHeat and moisture exchangerHALM INSTRUMENT CO·Filed 1975·Granted Aug 9, 1977·90 cites·5 claims
- 0295US4010731AHeat storage tankHALM INSTRUMENT CO·Filed 1975·Granted Mar 8, 1977·93 cites·8 claims
- 0389US4051891AHeat transfer block meansHALM INSTRUMENT CO·Filed 1975·Granted Oct 4, 1977·46 cites·2 claims
- 0484US4189882ATranslucent roofing meansHALM INSTRUMENT CO·Filed 1976·Granted Feb 26, 1980·48 cites·5 claims
- 0580US4038965AEvacuated solar heat collectorHALM INSTRUMENT CO·Filed 1975·Granted Aug 2, 1977·36 cites·4 claims
- 0679US4011736ACold storage tankHALM INSTRUMENT CO·Filed 1975·Granted Mar 15, 1977·45 cites·9 claims
- 0777US4501262ASolar hot water system without heat exchangerHALM INSTRUMENT CO·Filed 1980·Granted Feb 26, 1985·31 cites·2 claims
- 0870US3989032ASolar water heating systemHALM INSTRUMENT CO·Filed 1975·Granted Nov 2, 1976·31 cites·9 claims
- 0969US4106480AReflective solar heat collectorHALM INSTRUMENT CO·Filed 1977·Granted Aug 15, 1978·30 cites·5 claims
- 1066US4086909AAir-heating solar collectorHALM INSTRUMENT CO·Filed 1976·Granted May 2, 1978·17 cites·2 claims
- 1161US4375190APrinting press having a plurality of printing stationsHALM INSTRUMENT CO·Filed 1980·Granted Mar 1, 1983·14 cites·3 claims
- 1259US4082262AFeeder hopper for documentsHALM INSTRUMENT CO·Filed 1977·Granted Apr 4, 1978·11 cites·3 claims
- 1353US4313419ASolar heating systemHALM INSTRUMENT CO·Filed 1980·Granted Feb 2, 1982·15 cites·2 claims
- 1451US4108374AHeat storage water tankHALM INSTRUMENT CO·Filed 1976·Granted Aug 22, 1978·13 cites·6 claims
- 1551US4038921AMeans to connect printing presses in tandemHALM INSTRUMENT CO·Filed 1976·Granted Aug 2, 1977·8 cites·1 claims
- 1649US4155344AAir-heating solar collectorHALM INSTRUMENT CO·Filed 1978·Granted May 22, 1979·13 cites·2 claims
- 1748US4118025ADocument conveying meansHALM INSTRUMENT CO·Filed 1977·Granted Oct 3, 1978·9 cites·1 claims
- 1847US4264140ALow reflection coatings for windowsHALM INSTRUMENT CO·Filed 1978·Granted Apr 28, 1981·8 cites·2 claims
- 1941US4133299ASolar heat absorber plateHALM INSTRUMENT CO·Filed 1978·Granted Jan 9, 1979·5 cites·3 claims
- 2040US4153040AProtective cooling system for solar heat collectorHALM INSTRUMENT CO·Filed 1976·Granted May 8, 1979·10 cites·7 claims
- 2139US4038966ASolar heat collector tankHALM INSTRUMENT CO·Filed 1975·Granted Aug 2, 1977·10 cites·5 claims
- 2238US4413614ASolar heating systemHALM INSTRUMENT CO·Filed 1981·Granted Nov 8, 1983·8 cites·1 claims
- 2338US4239117AHigh speed document sorting meansHALM INSTRUMENT CO·Filed 1977·Granted Dec 16, 1980·6 cites·2 claims
- 2438US4144872ASolar energy collectorHALM INSTRUMENT CO·Filed 1976·Granted Mar 20, 1979·5 cites·11 claims
- 2536US4190084AFlow control meansHALM INSTRUMENT CO·Filed 1977·Granted Feb 26, 1980·4 cites·1 claims
- 2636US4076076AMechanical heat exchange jointHALM INSTRUMENT CO·Filed 1976·Granted Feb 28, 1978·6 cites·7 claims
- 2733US4258702AVanes for solar heatingHALM INSTRUMENT CO·Filed 1975·Granted Mar 31, 1981·4 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when HALM INSTRUMENT CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →