Assignee
KOEPPERN & CO KG MASCHF
DE·25 granted patents·5 pending applications·440 citations·filing 1974–2023
Top patents by PatentIndex Score
30 records- 0191US6086003ARoll press for crushing abrasive materialsKOEPPERN & CO KG MASCHF·Filed 1998·Granted Jul 11, 2000·77 cites·22 claims
- 0291US5755033AMethod of making a crushing rollKOEPPERN & CO KG MASCHF·Filed 1994·Granted May 26, 1998·64 cites·13 claims
- 0388US5666638AProcess for producing sponge iron briquettes from fine oreKOEPPERN & CO KG MASCHF·Filed 1993·Granted Sep 9, 1997·32 cites·19 claims
- 0479US3937058AMethod of determining the behaviour of a shock absorber in the sprung mass system of a vehicle and a jig for performing the methodKOEPPERN & CO KG MASCHF·Filed 1974·Granted Feb 10, 1976·37 cites·23 claims
- 0578US5547357AApparatus for hot-briquetting iron spongeKOEPPERN & CO KG MASCHF·Filed 1994·Granted Aug 20, 1996·40 cites·36 claims
- 0676US4571171AMultiple injection moulding apparatusKOEPPERN & CO KG MASCHF·Filed 1984·Granted Feb 18, 1986·44 cites·8 claims
- 0774US9364834B2Roller pressKOEPPERN & CO KG MASCHF·Filed 2013·Granted Jun 14, 2016·4 cites·11 claims
- 0871US2025128488A1Apparatus for subdividing a strand of briquettesKOEPPERN & CO KG MASCHF·Filed 2022·Application pending·0 cites
- 0971US2025128489A1Apparatus for subdividing as briquette strandKOEPPERN & CO KG MASCHF·Filed 2023·Application pending·0 cites
- 1068US4002051AMethod for determining the behavior of a shock absorber of a motor vehicle arranged in the wheel suspension and a jig for performing the methodKOEPPERN & CO KG MASCHF·Filed 1974·Granted Jan 11, 1977·19 cites·16 claims
- 1162US4395944ATwo roll pressKOEPPERN & CO KG MASCHF·Filed 1981·Granted Aug 2, 1983·14 cites·7 claims
- 1261US5630202AMethod for making sponge iron briquettes from fine oreKOEPPERN & CO KG MASCHF·Filed 1993·Granted May 13, 1997·13 cites·28 claims
- 1360US4123971ARoller press for thermal compaction and thermal briquetting of loose materialsKOEPPERN & CO KG MASCHF·Filed 1976·Granted Nov 7, 1978·12 cites·5 claims
- 1459US4439384AMethod for manufacturing graules from potassium chloride finesKOEPPERN & CO KG MASCHF·Filed 1981·Granted Mar 27, 1984·11 cites·5 claims
- 1556US12508594B2High-pressure roller pressKOEPPERN & CO KG MASCHF·Filed 2021·Granted Dec 30, 2025·0 cites·21 claims
- 1656US6103159AMethod for preventing material to be briquetted from sticking to a roll surfaceKOEPPERN & CO KG MASCHF·Filed 1998·Granted Aug 15, 2000·11 cites·32 claims
- 1754US12330167B2High-pressure roller pressKOEPPERN & CO KG MASCHF·Filed 2020·Granted Jun 17, 2025·0 cites·17 claims
- 1854US2021121892A1Roller pressKOEPPERN & CO KG MASCHF·Filed 2019·Application pending·0 cites
- 1952US5271319ARoll press with deaeration apparatusKOEPPERN & CO KG MASCHF·Filed 1991·Granted Dec 21, 1993·11 cites·9 claims
- 2047US2023158766A1Method of monitoring a high-pressure roller pressKOEPPERN & CO KG MASCHF·Filed 2021·Application pending·0 cites
- 2146US9744736B2Press rollKOEPPERN & CO KG MASCHF·Filed 2014·Granted Aug 29, 2017·0 cites·9 claims
- 2245US5833735AMethod of making steelKOEPPERN & CO KG MASCHF·Filed 1994·Granted Nov 10, 1998·8 cites·11 claims
- 2344US2018192481A1Method and apparatus for installing and removing a sleeveKOEPPERN & CO KG MASCHF·Filed 2014·Application pending·0 cites
- 2443US5215765AIron sponge briquetting pressKOEPPERN & CO KG MASCHF·Filed 1991·Granted Jun 1, 1993·9 cites·4 claims
- 2542US10214787B2Hot-briquetting installationKOEPPERN & CO KG MASCHF·Filed 2015·Granted Feb 26, 2019·0 cites·9 claims
- 2641US4925382ARoller press for compacting fine-grained salts into sheetsKOEPPERN & CO KG MASCHF·Filed 1988·Granted May 15, 1990·9 cites·13 claims
- 2736US4341349AApparatus for the damping of bulk materialKOEPPERN & CO KG MASCHF·Filed 1980·Granted Jul 27, 1982·13 cites·20 claims
- 2835US5376161ASteel making process including transporting spong iron briquettesKOEPPERN & CO KG MASCHF·Filed 1993·Granted Dec 27, 1994·3 cites·13 claims
- 2931US4337023ARoller press for compacting and briquetting of bulk materialKOEPPERN & CO KG MASCHF·Filed 1981·Granted Jun 29, 1982·4 cites·5 claims
- 3029US4037303AMethod for the briquetting of metal swarf, pellets, and powders with roller pressesKOEPPERN & CO KG MASCHF·Filed 1975·Granted Jul 26, 1977·5 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when KOEPPERN & CO KG MASCHF 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 →