Assignee
LUWA AG
42 granted patents·423 citations·filing 1971–1995
Top patents by PatentIndex Score
42 records- 0180US5666996AForced air cleaning system for textile machinesLUWA AG·Filed 1994·Granted Sep 16, 1997·12 cites·21 claims
- 0280US4408893AMotionless mixing deviceLUWA AG·Filed 1982·Granted Oct 11, 1983·64 cites·21 claims
- 0379US4357793ASliver-processing frame having drawing rollersLUWA AG·Filed 1980·Granted Nov 9, 1982·9 cites·11 claims
- 0477US4191358AShutoff deviceLUWA AG·Filed 1978·Granted Mar 4, 1980·30 cites·8 claims
- 0575US4768443AWorking apparatus, especially a cleaning apparatus used in conjunction with a textile machineLUWA AG·Filed 1986·Granted Sep 6, 1988·14 cites·10 claims
- 0667US4350007ASpinning frameLUWA AG·Filed 1980·Granted Sep 21, 1982·6 cites·22 claims
- 0767US4158444AMethod and apparatus for connecting a yarn and for forming a yarn reserve at a bobbin tubeLUWA AG·Filed 1978·Granted Jun 19, 1979·17 cites·26 claims
- 0863US4389931AApparatus for the compaction of fibersLUWA AG·Filed 1981·Granted Jun 28, 1983·13 cites·10 claims
- 0958US3968936AAir outlet apparatusLUWA AG·Filed 1974·Granted Jul 13, 1976·16 cites·5 claims
- 1056US4031951AAir climatizing deviceLUWA AG·Filed 1974·Granted Jun 28, 1977·11 cites·15 claims
- 1154US4140898ACircuit for detecting disturbances in yarn travel at a textile machineLUWA AG·Filed 1978·Granted Feb 20, 1979·5 cites·9 claims
- 1253US4318206ACoiler arrangementLUWA AG·Filed 1980·Granted Mar 9, 1982·12 cites·9 claims
- 1350US3969194AMethod and apparatus for the purification of a liquid contaminated with radioactive substancesLUWA AG·Filed 1974·Granted Jul 13, 1976·10 cites·7 claims
- 1449US4329840AMethod of and apparatus for feeding a fibre tow to a textile machineLUWA AG·Filed 1980·Granted May 18, 1982·8 cites·6 claims
- 1549US4226678AMethod and apparatus for the decontamination of a liquid containing contaminantsLUWA AG·Filed 1977·Granted Oct 7, 1980·13 cites·5 claims
- 1648US4150533AApparatus for monitoring yarn travel at a multiple spindle spinning machineLUWA AG·Filed 1978·Granted Apr 24, 1979·4 cites·8 claims
- 1748US4090857AFilter box for textile machines, especially a spinning machineLUWA AG·Filed 1976·Granted May 23, 1978·12 cites·6 claims
- 1847US4127920AApparatus for feeding a textile fiber band composed of staple fibersLUWA AG·Filed 1977·Granted Dec 5, 1978·4 cites·6 claims
- 1947US3937132AAir outlet apparatusLUWA AG·Filed 1974·Granted Feb 10, 1976·12 cites·17 claims
- 2046US4045194AApparatus for cleaning airLUWA AG·Filed 1976·Granted Aug 30, 1977·10 cites·7 claims
- 2144US4446781AApparatus for the mechanical/thermal treatment, including sterilization and pasteurization, of fluidsLUWA AG·Filed 1982·Granted May 8, 1984·9 cites·6 claims
- 2243US4321106AMethod of and apparatus for the thermal treatment of flowable materialLUWA AG·Filed 1980·Granted Mar 23, 1982·16 cites·15 claims
- 2341US5931376ADevice for air-conditioning control in an air-conditioned room having textile machinesLUWA AG·Filed 1995·Granted Aug 3, 1999·13 cites·29 claims
- 2441US4325781ACo-current evaporatorLUWA AG·Filed 1980·Granted Apr 20, 1982·11 cites·5 claims
- 2540US5472018AAir conditioning of a weaving machine with displacement type air flow streamLUWA AG·Filed 1992·Granted Dec 5, 1995·6 cites·19 claims
- 2638US4091507AMounting apparatus for a textile machine, especially a cardLUWA AG·Filed 1976·Granted May 30, 1978·4 cites·2 claims
- 2737US4175371ABroken end-collecting installation and method of operating the sameLUWA AG·Filed 1978·Granted Nov 27, 1979·2 cites·20 claims
- 2837US4054485AThin film apparatusLUWA AG·Filed 1975·Granted Oct 18, 1977·9 cites·13 claims
- 2936US4332130AApparatus for infeeding textile band material to a consumerLUWA AG·Filed 1980·Granted Jun 1, 1982·4 cites·22 claims
- 3036US4306337APneumatic cleaning apparatus for the infeed table of a spinning machineLUWA AG·Filed 1979·Granted Dec 22, 1981·6 cites·12 claims
- 3134US4382401AAir distribution apparatus, especially for oversaturated airLUWA AG·Filed 1980·Granted May 10, 1983·12 cites·14 claims
- 3234US4087700AMonitoring apparatus for a textile machineLUWA AG·Filed 1976·Granted May 2, 1978·4 cites·19 claims
- 3331US5651802AFluid filter for separating entrained particulate matter from a moving fluid streamLUWA AG·Filed 1995·Granted Jul 29, 1997·7 cites·13 claims
- 3431US4693904AProcess for sterilizing a cocoa pasteLUWA AG·Filed 1984·Granted Sep 15, 1987·3 cites·4 claims
- 3530US5453117AFluid filter and method of separating entrained particulate matter from a moving fluid streamLUWA AG·Filed 1994·Granted Sep 26, 1995·6 cites·19 claims
- 3630US4361006ASpinning frameLUWA AG·Filed 1980·Granted Nov 30, 1982·0 cites·6 claims
- 3730US4282058AApparatus for thermal treatment of flowable materialsLUWA AG·Filed 1980·Granted Aug 4, 1981·8 cites·16 claims
- 3828US3930356AMethod and apparatus for influencing the ambient conditions during open-end spinningLUWA AG·Filed 1971·Granted Jan 6, 1976·4 cites·12 claims
- 3925US4900179AMounting cross-piece assembly and mounting cross-piece thereofLUWA AG·Filed 1988·Granted Feb 13, 1990·7 cites·24 claims
- 4025USD288476SGas filterLUWA AG·Filed 1984·Granted Feb 24, 1987·2 cites·1 claims
- 4121US4557956ADeformable container with filler unitLUWA AG·Filed 1983·Granted Dec 10, 1985·7 cites·4 claims
- 4216US4300711AApparatus for the pneumatic transport of textile band materialLUWA AG·Filed 1980·Granted Nov 17, 1981·1 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when LUWA AG 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 →