|
US1561632A
(en)
*
|
1924-02-27 |
1925-11-17 |
Herbert S Woodward |
Perforated indented screen
|
|
GB743902A
(en)
*
|
1951-04-12 |
1956-01-25 |
Siteg Siebtech Gmbh |
Vibrating screens
|
|
US3377322A
(en)
*
|
1963-12-30 |
1968-04-09 |
Du Pont |
Thermoplastic polyurethane elastomers suitable for injection molding
|
|
DE1209856B
(de)
*
|
1964-10-21 |
1966-01-27 |
Albert Wehner |
Siebboden
|
|
US3713541A
(en)
|
1971-05-10 |
1973-01-30 |
Bird Machine Co |
Screening machine with slotted screen
|
|
US3975491A
(en)
*
|
1972-05-19 |
1976-08-17 |
The B. F. Goodrich Company |
Method of making a perforate article
|
|
US4028230A
(en)
|
1975-04-02 |
1977-06-07 |
Jesse Rosenblum |
Vibratory separator screen and method of manufacture
|
|
DE2649376A1
(de)
|
1975-11-04 |
1977-05-12 |
Terence Charles Adams |
Verfahren zum herstellen eines siebes
|
|
AT344629B
(de)
|
1976-05-21 |
1978-08-10 |
Steinhaus Gmbh |
Siebfeld
|
|
GB1558086A
(en)
|
1976-11-10 |
1979-12-19 |
Spiller C M |
Screening
|
|
ZA774472B
(en)
|
1977-07-25 |
1979-06-27 |
Herrmann Screens Mfg Co Ltd |
Improvements in or relating to screening apparatus
|
|
US4188208A
(en)
|
1978-05-22 |
1980-02-12 |
Newmont Exploration Limited |
Recovery of gold from carbonaceous gold-bearing ores
|
|
US4222865A
(en)
|
1979-02-16 |
1980-09-16 |
Irathane Systems Incorporated |
Trommel screen unit
|
|
DE3008931A1
(de)
|
1980-03-08 |
1981-09-17 |
Hein, Lehmann AG, 4000 Düsseldorf |
Systemsiebboden
|
|
CH657287A5
(de)
|
1982-09-27 |
1986-08-29 |
Escher Wyss Ag |
Zentrifugensieb.
|
|
US4526682A
(en)
|
1983-12-06 |
1985-07-02 |
Ferrell-Ross, Inc. |
Screen assembly for separating particulate material
|
|
US4819809A
(en)
|
1985-09-09 |
1989-04-11 |
Derrick Manufacturing Corporation |
Reinforced polyurethane vibratory screen
|
|
DE3542635C1
(de)
|
1985-12-03 |
1987-02-19 |
Steinhaus Gmbh |
Siebbauteil fuer Systemsiebboeden
|
|
US4857176A
(en)
|
1986-08-04 |
1989-08-15 |
Derrick Manufacturing Corporation |
Reinforced molded polyurethane vibratory screen
|
|
DE3716472A1
(de)
|
1987-05-16 |
1988-12-01 |
Steinhaus Gmbh |
Verfahren zur herstellung von siebmatten als siebbelag fuer systemsiebfelder und siebbelag
|
|
US5149739A
(en)
|
1988-08-01 |
1992-09-22 |
The Bfgoodrich Company |
Fiber-reinforced thermoplastic elastomer polyurethane compositions with either modified and/or unmodified polyolefins
|
|
US4882054A
(en)
|
1988-08-22 |
1989-11-21 |
Derrick Manufacturing Corporation |
Vibratory screening machine with tiltable screen frame and adjustable discharge weir
|
|
US4932112A
(en)
|
1988-10-06 |
1990-06-12 |
Tim Tikkanen |
Sieve plate and process for making it
|
|
DE69013260T2
(de)
|
1989-02-16 |
1995-05-11 |
Oki Electric Ind Co Ltd |
Punktrasterdruckkopf.
|
|
US4986900A
(en)
|
1989-04-04 |
1991-01-22 |
A. Ahlstrom Corporation |
Sectional screen cylinder
|
|
US4997500A
(en)
*
|
1989-08-28 |
1991-03-05 |
At&T Bell Laboratories |
Method for joining thermoplastic parts
|
|
GB2245191B
(en)
|
1990-06-22 |
1994-01-26 |
United Wire Ltd |
Filter screen assembly
|
|
US5282538A
(en)
|
1990-10-31 |
1994-02-01 |
Multotec Cyclones (Proprietary) Limited |
Flotation column
|
|
US5213217A
(en)
|
1991-10-25 |
1993-05-25 |
Galton Zanley F |
Screening system and method for screening particulate material
|
|
GB2262456B
(en)
|
1991-12-20 |
1995-07-19 |
Anglo Amer Corp South Africa |
Mineral processing screen separator
|
|
US5332101A
(en)
|
1992-05-06 |
1994-07-26 |
Derrick Manufacturing Corporation |
Screen aligning, tensioning and sealing structure for vibratory screening machine
|
|
US5378364A
(en)
|
1992-09-14 |
1995-01-03 |
Baker Hughes Incorporated |
Conical screen basket centrifuge
|
|
ES2135563T3
(es)
|
1993-01-13 |
1999-11-01 |
Derrick Mfg Corp |
Tamiz ondulado para una maquina de tamizado vibratorio y metodo de fabricacion del mismo.
|
|
US5958236A
(en)
|
1993-01-13 |
1999-09-28 |
Derrick Manufacturing Corporation |
Undulating screen for vibratory screening machine and method of fabrication thereof
|
|
US5385669A
(en)
|
1993-04-30 |
1995-01-31 |
Environmental Procedures, Inc. |
Mining screen device and grid structure therefor
|
|
US5971159A
(en)
|
1993-04-30 |
1999-10-26 |
Tuboscope I/P, Inc. |
Screen assembly for a vibratory separator
|
|
US6565698B1
(en)
|
1993-04-30 |
2003-05-20 |
Varco I/P, Inc. |
Method for making vibratory separator screens
|
|
US6443310B1
(en)
|
1993-04-30 |
2002-09-03 |
Varco I/P, Inc. |
Seal screen structure
|
|
GB9404071D0
(en)
|
1994-03-03 |
1994-04-20 |
United Wire Ltd |
Improved sifting screen
|
|
US5472096A
(en)
|
1994-07-15 |
1995-12-05 |
Multotec Cyclones (Pty) Limited |
Spiral concentrator
|
|
ZA957728B
(en)
|
1994-09-16 |
1996-04-23 |
Multotec Cyclones |
Cast iron hydrocyclone
|
|
US5575618A
(en)
|
1994-11-25 |
1996-11-19 |
Brandon; Ronald E. |
Steam turbine steam strainer
|
|
CA2178189A1
(en)
|
1995-06-06 |
1996-12-07 |
Nardus Terblanche |
Flotation column with constant feed arrangement
|
|
US5816413A
(en)
|
1995-09-08 |
1998-10-06 |
W.S. Tyler, Canada |
Wire screen deck having replaceable modular screen panels
|
|
CA2240693C
(en)
*
|
1996-02-12 |
2006-07-04 |
Tuboscope Vetco International, Inc. |
Screen for vibrating separator
|
|
US5690826A
(en)
*
|
1996-05-10 |
1997-11-25 |
Cravello; William Myron |
Shaker screen assembly
|
|
AUPO213796A0
(en)
*
|
1996-09-05 |
1996-09-26 |
Lettela Proprietary Limited |
Modular screen panel
|
|
US5753820A
(en)
|
1996-10-25 |
1998-05-19 |
Arthur D. Little, Inc. |
Fluid pressure sensing unit incorporating diaphragm deflection sensing array
|
|
DE69820683T2
(de)
|
1997-03-01 |
2004-12-09 |
United Wire Ltd. |
Verfahren zum Reparieren eines Filtersiebs und dessen Stützrahmens
|
|
AU9613498A
(en)
|
1997-12-09 |
1999-07-01 |
Multotec Process Equipment (Pty) Ltd |
A method and apparatus for aeration of liquids or slurries
|
|
DE19804493B4
(de)
|
1998-02-05 |
2008-03-27 |
Pall Corp. |
Filtermedium für die Fest/Flüssig-Trennung
|
|
US6312610B1
(en)
|
1998-07-13 |
2001-11-06 |
Phase Inc. |
Density screening outer wall transport method for fluid separation devices
|
|
US6769550B2
(en)
*
|
2002-01-16 |
2004-08-03 |
Varco I/P, Inc. |
Screen assemblies for shale shakers
|
|
US20030042179A1
(en)
|
1998-10-30 |
2003-03-06 |
Adams Thomas C. |
Vibratory separator screens
|
|
CA2298968A1
(en)
|
1999-02-22 |
2000-08-22 |
Jeremy Brett Bosman |
Hydrocyclone with removal of misplaced coarse fraction in overflow
|
|
AUPP904499A0
(en)
|
1999-03-08 |
1999-03-25 |
Cmi Malco Pty Ltd |
A screening apparatus
|
|
US6669027B1
(en)
|
1999-03-19 |
2003-12-30 |
Derrick Manufacturing Corporation |
Vibratory screening machine and vibratory screen and screen tensioning structure
|
|
CA2269314C
(en)
*
|
1999-04-20 |
2006-09-19 |
Neville P. Nixon |
Wear resistant screen, screen panel or the like
|
|
US6431366B2
(en)
|
1999-06-16 |
2002-08-13 |
Derrick Manufacturing Corporation |
Vibratory screening machine with stacked and staggered screening units
|
|
CA2326298A1
(en)
|
1999-11-18 |
2001-05-18 |
Jeremy Brett Bosman |
Dense medium cyclone separator
|
|
AUPQ455899A0
(en)
*
|
1999-12-09 |
2000-01-06 |
Usf Johnson Screens Pty Ltd |
A screening module and a screening assembly inlcuding such module
|
|
US6267246B1
(en)
|
2000-02-14 |
2001-07-31 |
Western Wire Works, Inc. |
Screening system for screening or diverting particulate material
|
|
CA2361085A1
(en)
|
2000-11-09 |
2002-05-09 |
Multotec Process Equipment (Proprietary) Limited |
Hydro cyclone with elongate inlet
|
|
CA2802168A1
(en)
|
2001-04-16 |
2002-10-24 |
J & L Fiber Services, Inc. |
Screen cylinder and method
|
|
GB0119523D0
(en)
|
2001-08-10 |
2001-10-03 |
Ever 1529 Ltd |
Screen system
|
|
AU2003202290B2
(en)
*
|
2002-01-08 |
2008-06-19 |
Rcm Plastics Cc |
A screening element
|
|
WO2003066243A1
(en)
|
2002-02-11 |
2003-08-14 |
Multotec Manufacturing (Pty) Limited |
Screen deck
|
|
US20030168387A1
(en)
*
|
2002-03-08 |
2003-09-11 |
Weatherford/Lamb, Inc. |
Screen panel and method of manufacturing same
|
|
US20050133465A1
(en)
*
|
2002-06-12 |
2005-06-23 |
Derrick Corporation |
Vibratory screen assembly and method of manufacture
|
|
US20030230541A1
(en)
*
|
2002-06-12 |
2003-12-18 |
Derrick Mitchell J. |
Vibratory screening machine with suction and pressure and method for screening a slurry
|
|
US7063214B2
(en)
*
|
2003-02-04 |
2006-06-20 |
Varco I/P, Inc. |
Interlocking screens for vibratory separators
|
|
US7484625B2
(en)
|
2003-03-13 |
2009-02-03 |
Varco I/P, Inc. |
Shale shakers and screens with identification apparatuses
|
|
US7264125B2
(en)
*
|
2003-04-23 |
2007-09-04 |
Derrick Corporation |
Undulating molded plastic vibratory screen
|
|
JP2004341194A
(ja)
|
2003-05-15 |
2004-12-02 |
Sekinosu Kk |
投射レンズユニット
|
|
WO2005051554A1
(en)
|
2003-11-25 |
2005-06-09 |
Weatherford Australia Pty Limited |
A screening module
|
|
TWM258183U
(en)
|
2004-06-01 |
2005-03-01 |
Walrus Pump Co Ltd |
Submergible pump with dual filtering device
|
|
US7654394B2
(en)
*
|
2004-06-14 |
2010-02-02 |
Action Equipment Company, Inc. |
Flexible mat screening or conveying apparatus
|
|
GB0427756D0
(en)
*
|
2004-12-18 |
2005-01-19 |
United Wire Ltd |
Improvements in and relating to sifting screens
|
|
AU2005201683B2
(en)
|
2005-04-20 |
2011-02-24 |
Flsmidth A/S |
A support frame
|
|
US8028840B2
(en)
|
2005-04-20 |
2011-10-04 |
Ludowici Australia Pty Ltd |
Screening module
|
|
US7249677B2
(en)
|
2005-05-13 |
2007-07-31 |
M-I L.L.C. |
Dual hardness composite screen frame
|
|
ZA200607875B
(en)
|
2005-09-22 |
2008-05-28 |
Magnapower Proprietary Ltd |
Dewatering of aqueous magnetite concentrates
|
|
CN101291992B
(zh)
|
2005-10-17 |
2011-06-08 |
普立万公司 |
热塑性聚氨酯粉末组合物及其应用
|
|
US20070108107A1
(en)
*
|
2005-11-15 |
2007-05-17 |
Morrow Deborah E |
Disposable pre-tensioned sieve frame and method of making same
|
|
AU2006318056B2
(en)
|
2005-11-28 |
2012-04-12 |
Multotec Manufacturing (Pty) Limited |
Screen panel fastener and fastening arrangement
|
|
US20070151920A1
(en)
|
2005-12-06 |
2007-07-05 |
Kay Ronald J |
System and method of micromolded filtration microstructure and devices
|
|
CA2573726C
(en)
|
2006-01-13 |
2014-10-21 |
Johnson Screens (Australia) Pty Ltd. |
A screening module
|
|
CN101020178A
(zh)
*
|
2006-02-13 |
2007-08-22 |
孙即杰 |
筛片及其构成的组合筛板
|
|
NZ601008A
(en)
*
|
2006-08-01 |
2013-08-30 |
Ludowici Australia Pty Ltd |
Screen module for vibratory screening apparatus
|
|
US7819255B2
(en)
*
|
2006-09-29 |
2010-10-26 |
M-I Llc |
Screen for a vibratory separator
|
|
US7909172B2
(en)
|
2006-09-29 |
2011-03-22 |
M-I L.L.C. |
Composite screen with integral inflatable seal
|
|
US7891497B2
(en)
*
|
2006-09-29 |
2011-02-22 |
M-I L.L.C. |
Peripheral sealing system for pre-tensioned screens
|
|
US7992719B2
(en)
|
2006-09-29 |
2011-08-09 |
M-I L.L.C. |
Composite hookstrip screen
|
|
US8393474B2
(en)
*
|
2006-09-29 |
2013-03-12 |
United Wire Limited |
Injection molded grid for saving screen frames
|
|
AU2006243879B2
(en)
|
2006-11-28 |
2011-07-07 |
Flsmidth A/S |
A screening module retaining assembly
|
|
US9056335B2
(en)
|
2007-03-21 |
2015-06-16 |
Derrick Corporation |
Method and apparatuses for screening
|
|
US8443984B2
(en)
|
2007-03-21 |
2013-05-21 |
Derrick Corporation |
Method and apparatus for screening
|
|
US7578394B2
(en)
*
|
2007-03-21 |
2009-08-25 |
Derrick Corporation |
Method and apparatuses for screening
|
|
JP2008255145A
(ja)
|
2007-04-02 |
2008-10-23 |
Nippon Carbide Ind Co Inc |
ポリウレタン系マスターバッチ
|
|
BRPI0812154B1
(pt)
*
|
2007-05-23 |
2020-02-11 |
Ludowici Australia Pty Ltd |
Painel para peneira vibratória
|
|
DE102007028333A1
(de)
*
|
2007-06-15 |
2008-12-18 |
Basf Se |
Verfahren zum Einbringen einer wenigstens einer Produktionscharge von ringförmigen Schalenkatalysatoren K entnommenen Teilmenge in ein Reaktionsrohr eines Rohrbündelreaktors
|
|
CN100512984C
(zh)
*
|
2007-07-03 |
2009-07-15 |
北京航空航天大学 |
一种纤维增强聚氨酯精细筛网及其成型方法
|
|
TWM328904U
(en)
|
2007-09-13 |
2008-03-21 |
Cheng You Machinery Co Ltd |
Improved structure of roller screening machine
|
|
BRPI0817523B1
(pt)
*
|
2007-10-05 |
2019-09-24 |
M-I L.L.C. |
Método de prender peneiras adjacentes e método de arranjar peneiras de separador vibratório
|
|
TW200925535A
(en)
|
2007-12-06 |
2009-06-16 |
Man Zai Ind Co Ltd |
Refrigerant storing device for condenser
|
|
SE531876C2
(sv)
*
|
2007-12-19 |
2009-09-01 |
Sandvik Intellectual Property |
En vibrationssikt med ett slitskydd
|
|
TWM340860U
(en)
|
2008-03-10 |
2008-09-21 |
Jun-Rong Chen |
Mesh-adjustable cylindrical sieving device
|
|
GB2461726A
(en)
*
|
2008-07-10 |
2010-01-13 |
United Wire Ltd |
Sifting Screen
|
|
GB0812576D0
(en)
*
|
2008-07-10 |
2008-08-13 |
United Wire Ltd |
Separating screens
|
|
GB2461725B
(en)
|
2008-07-10 |
2012-06-13 |
United Wire Ltd |
Improved sifting screen
|
|
GB0822405D0
(en)
|
2008-12-09 |
2009-01-14 |
British American Tobacco Co |
A package for tobacco products
|
|
GB0823286D0
(en)
|
2008-12-20 |
2009-01-28 |
Stelex Construction Eqipment Ltd |
Trommel screen
|
|
US7959009B2
(en)
*
|
2008-12-23 |
2011-06-14 |
Polydeck Screen Corporation |
System and apparatus for protecting a support frame used in a screening arrangement
|
|
GB2456377B
(en)
|
2008-12-23 |
2009-11-25 |
Broadbent & Sons Ltd Thomas |
Improvements in and relating to screen filters
|
|
DE102009010684B4
(de)
|
2009-02-27 |
2014-10-23 |
Siebtechnik Gmbh |
Siebtrommel
|
|
US8021547B2
(en)
|
2009-05-01 |
2011-09-20 |
Hukki Ari M |
Screen clamp
|
|
NO336396B1
(no)
|
2009-10-27 |
2015-08-10 |
Optipro As |
Et forbedret celleinnsatsfilter for et siktemaskinfilter
|
|
US9010539B2
(en)
|
2010-04-19 |
2015-04-21 |
Derrick Corporation |
Polyurethane vibratory screen
|
|
US9375756B2
(en)
|
2010-04-19 |
2016-06-28 |
Derrick Corporation |
Polyurethane vibratory screen
|
|
US9403192B2
(en)
|
2010-04-19 |
2016-08-02 |
Derrick Corporation |
Polyurethane screen
|
|
US8584866B2
(en)
|
2010-04-19 |
2013-11-19 |
Derrick Corporation |
Polyurethane vibratory screen
|
|
NZ604952A
(en)
|
2010-05-21 |
2014-12-24 |
Tega Ind Ltd |
Screen panel
|
|
WO2012106494A1
(en)
|
2011-02-02 |
2012-08-09 |
Laitram, L.L.C. |
System and method for grading articles and selectively mixing graded articles
|
|
MY174967A
(en)
|
2011-04-21 |
2020-05-29 |
Lubrizol Advanced Mat Inc |
Electrostatic dissipative polycarbonate compositions
|
|
DE102011119344A1
(de)
|
2011-10-11 |
2013-04-11 |
Focke & Co. (Gmbh & Co. Kg) |
Packung für Zigaretten sowie Verfahren zum Herstellen derselben
|
|
US20130168387A1
(en)
|
2011-12-29 |
2013-07-04 |
Eastman Chemical Company |
Wood treatment method and apparatus employing multiple vessels and multiple wood-transporting carts
|
|
US20130277281A1
(en)
|
2012-02-21 |
2013-10-24 |
Guy L. McClung, III |
Nanostrong vibratory screens & separators
|
|
US10576502B2
(en)
|
2012-05-25 |
2020-03-03 |
Derrick Corporation |
Injection molded screening apparatuses and methods
|
|
PE20191258A1
(es)
|
2012-05-25 |
2019-09-18 |
Derrick Corp |
Aparatos y metodos de filtros moldeados de inyeccion
|
|
CN203304173U
(zh)
*
|
2012-05-25 |
2013-11-27 |
德里克公司 |
筛组件和筛元件
|
|
US9409209B2
(en)
|
2012-05-25 |
2016-08-09 |
Derrick Corporation |
Injection molded screening apparatuses and methods
|
|
US9744564B2
(en)
*
|
2012-06-11 |
2017-08-29 |
M-I L.L.C. |
Vibratory separator screen
|
|
TWM447274U
(zh)
|
2012-09-25 |
2013-02-21 |
Yu-Lin Mao |
多功能過篩裝置
|
|
KR20150086498A
(ko)
*
|
2012-11-20 |
2015-07-28 |
테가 인더스트리즈 리미티드 |
스크린 패널용 스냅핏 고정 시스템
|
|
GB2497873B
(en)
|
2013-02-05 |
2014-01-29 |
Nat Oilwell Varco Lp |
Screen assembly and a method of making same
|
|
TWM459903U
(zh)
|
2013-02-06 |
2013-08-21 |
Univ Southern Taiwan Sci & Tec |
具有中空纖維膜的濾芯
|
|
EA202091026A1
(ru)
|
2013-03-15 |
2020-11-16 |
Деррик Корпорейшн |
Полиуретановое вибрационное сито
|
|
US9089877B2
(en)
|
2013-03-15 |
2015-07-28 |
Michael McGrath, JR. |
Backing screen panels for vibrating screen separator
|
|
US20140342110A1
(en)
|
2013-05-15 |
2014-11-20 |
Chemtura Corporation |
Thermoplastic Polyurethane From Low Free Monomer Prepolymer
|
|
TWM470701U
(zh)
|
2013-07-01 |
2014-01-21 |
Tian-Fu Li |
濾芯結構改良
|
|
TWM468568U
(zh)
|
2013-07-09 |
2013-12-21 |
Aai Motorsports Co |
機油濾芯散熱器
|
|
GB2535406B
(en)
|
2013-12-10 |
2021-01-13 |
Mi Llc |
High capacity filtering screen
|
|
PE20161039A1
(es)
|
2014-01-14 |
2016-10-16 |
Derrick Corp |
Metodos y sistemas mejorados de sorcion de metales con el uso de cribado entre etapas
|
|
TWM481766U
(zh)
|
2014-02-27 |
2014-07-11 |
Deng-Zhao Jian |
濾芯結構改良
|
|
AU2015201729B2
(en)
|
2014-04-08 |
2019-01-03 |
Lettela Pty Limited |
Screening panel and method of fixing
|
|
US9643213B2
(en)
|
2014-06-26 |
2017-05-09 |
M-I L.L.C. |
Reverse crowned filter assembly
|
|
DE102014009702B3
(de)
|
2014-07-02 |
2015-08-06 |
Rhewum Gmbh |
Kunststoffsiebbelag für eine Siebmaschine zum Klassieren von insbesondere feinkörnigem Schüttgut
|
|
TWM513735U
(zh)
|
2015-07-16 |
2015-12-11 |
Savant Electronics Inc |
濾芯結構及其二次過濾內管
|
|
TWM527789U
(zh)
|
2016-04-29 |
2016-09-01 |
Air O Filter Environment Systems Inc |
餐飲用雙層油煙油霧空氣淨化過濾裝置
|
|
TWM529549U
(zh)
|
2016-06-24 |
2016-10-01 |
Cong-Wei Chen |
過濾桶
|
|
TWM532900U
(en)
|
2016-09-12 |
2016-12-01 |
Jian-Hua Wang |
Oil smoke air-purifying machine for teppanyaki
|
|
TWM544259U
(zh)
|
2017-01-23 |
2017-07-01 |
Victory Marketing Corp |
防壺蓋脫落的濾泡壺
|
|
PE20200680A1
(es)
|
2017-04-28 |
2020-06-11 |
Derrick Corp |
Composiciones termoplasticas, metodos, aparato y usos
|
|
US11213857B2
(en)
|
2017-06-06 |
2022-01-04 |
Derrick Corporation |
Method and apparatus for screening
|
|
BR112019025843A2
(pt)
|
2017-06-06 |
2020-07-14 |
Derrick Corporation |
método e aparelhos para peneiramento
|
|
TWM556176U
(zh)
|
2017-10-20 |
2018-03-01 |
Air O Filter Environment Systems Inc |
可偵測濾材阻塞之油霧回收機
|
|
EP3588013A1
(de)
|
2018-06-26 |
2020-01-01 |
XelectriX Power GmbH |
Verfahren zur abgabe von elektrischer energie
|