Assignee
BECKENBACH KARL
2 granted patents·21 citations·filing 1975–1979
Top patents by PatentIndex Score
2 records- 0160US4254221AMethod of burning lump-sized combustible material, and an annular shaft kiln for carrying out this methodBECKENBACH KARL·Filed 1979·Granted Mar 3, 1981·11 cites·13 claims
- 0256US4025293AProcess and apparatus for firing and sintering of granular materialBECKENBACH KARL·Filed 1975·Granted May 24, 1977·10 cites·13 claims
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