Individual holder
MACCRACKEN CALVIN D
US·7 granted patents·195 citations·filing 1975–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0187US4466256AGround-installed coldness storage and utilization systemMACCRACKEN CALVIN D·Filed 1982·Granted Aug 21, 1984·44 cites·4 claims
- 0279US4565069AMethod of cyclic air conditioning with cogeneration of iceMACCRACKEN CALVIN D·Filed 1984·Granted Jan 21, 1986·45 cites·16 claims
- 0379US3983713AMethod of creating and outdoor ice slab in summer weather and of reducing energy requirements for indoor and outdoor ice rinksMACCRACKEN CALVIN D·Filed 1975·Granted Oct 5, 1976·29 cites·10 claims
- 0469US4671347ASuperdensity assembly system for heat exchangersMACCRACKEN CALVIN D·Filed 1986·Granted Jun 9, 1987·28 cites·11 claims
- 0569US4616390ASuperdensity assembly method and system for plastic heat exchanger resists large buoyancy forces and provides fast melt down in phase change thermal storageMACCRACKEN CALVIN D·Filed 1984·Granted Oct 14, 1986·22 cites·4 claims
- 0664US3986342AMethod of securing a perimeter fence around an ice rink without embedding into groundMACCRACKEN CALVIN D·Filed 1975·Granted Oct 19, 1976·20 cites·14 claims
- 0740US5304094AMethod of mixing cold introduced air with warmer room airMACCRACKEN CALVIN D·Filed 1992·Granted Apr 19, 1994·7 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →