CA1062171A - Oil filter with oil additive generator - Google Patents
Oil filter with oil additive generatorInfo
- Publication number
- CA1062171A CA1062171A CA229,726A CA229726A CA1062171A CA 1062171 A CA1062171 A CA 1062171A CA 229726 A CA229726 A CA 229726A CA 1062171 A CA1062171 A CA 1062171A
- Authority
- CA
- Canada
- Prior art keywords
- oil
- filter
- set forth
- polymer
- enclosure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000654 additive Substances 0.000 title claims abstract description 113
- 230000000996 additive effect Effects 0.000 title claims description 48
- 229920000642 polymer Polymers 0.000 claims abstract description 68
- 238000004090 dissolution Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 225
- 238000005461 lubrication Methods 0.000 claims description 20
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000010724 circulating oil Substances 0.000 claims description 9
- 229920002367 Polyisobutene Polymers 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 4
- 239000005069 Extreme pressure additive Substances 0.000 claims 3
- 230000004323 axial length Effects 0.000 claims 3
- 229920006158 high molecular weight polymer Polymers 0.000 claims 3
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 2
- 230000006854 communication Effects 0.000 abstract description 2
- 239000010705 motor oil Substances 0.000 description 13
- 239000000314 lubricant Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000003599 detergent Substances 0.000 description 6
- 235000006708 antioxidants Nutrition 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000454 anti-cipatory effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002272 engine oil additive Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
- B01D37/025—Precoating the filter medium; Addition of filter aids to the liquid being filtered additives incorporated in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
- B01D27/103—Bypass or safety valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
- B01D27/106—Anti-leakage or anti-return valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
- F01M2001/1007—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the purification means combined with other functions
- F01M2001/1014—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the purification means combined with other functions comprising supply of additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/17—Twist-on
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtration Of Liquid (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/564,111 US4075097A (en) | 1975-04-01 | 1975-04-01 | Oil filter with oil improving dissolving body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1062171A true CA1062171A (en) | 1979-09-11 |
Family
ID=24253193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,726A Expired CA1062171A (en) | 1975-04-01 | 1975-06-19 | Oil filter with oil additive generator |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US4075097A (https=) |
| JP (1) | JPS51121638A (https=) |
| AR (1) | AR210596A1 (https=) |
| BE (1) | BE840252A (https=) |
| BR (1) | BR7601996A (https=) |
| CA (1) | CA1062171A (https=) |
| DE (1) | DE2613481C3 (https=) |
| ES (1) | ES446589A1 (https=) |
| FR (1) | FR2306336A1 (https=) |
| GB (1) | GB1541051A (https=) |
| SE (1) | SE7602670L (https=) |
Families Citing this family (134)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144169A (en) * | 1977-06-06 | 1979-03-13 | Monroe Auto Equipment Company | Filter unit |
| GB1581416A (en) * | 1978-05-06 | 1980-12-10 | Automotive Prod Co Ltd | Filter units |
| IT1165502B (it) * | 1980-01-11 | 1987-04-22 | Tecnocar Spa | Filtro per lubrificanti di motori a combustione interna particolarmente per autoveicoli |
| US4324660A (en) * | 1980-08-25 | 1982-04-13 | Fram Corporation | Fluid filter |
| US4400864A (en) * | 1980-08-25 | 1983-08-30 | Fram Corporation | Fluid filter |
| IT1192015B (it) * | 1986-06-27 | 1988-03-31 | Tecnocar Spa | Filtro per lubrificanti di motori a combustione interna con riserva di additivi |
| CA1335643C (en) * | 1986-12-23 | 1995-05-23 | Brian Edward Cheadle | Corrosion inhibiting coolant filter |
| US5032259A (en) * | 1988-12-24 | 1991-07-16 | He Qi Sheng | Friction-reducing lubricating-oil filter for internal combustion engine |
| US5478463A (en) * | 1989-09-07 | 1995-12-26 | Exxon Chemical Patents Inc. | Method of reducing sludge and varnish precursors in lubricating oils |
| US5225081A (en) * | 1989-09-07 | 1993-07-06 | Exxon Research And Engineering Co. | Method for removing polynuclear aromatics from used lubricating oils |
| US5069799A (en) * | 1989-09-07 | 1991-12-03 | Exxon Research & Engineering Company | Method for rejuvenating lubricating oils |
| US4997546A (en) * | 1989-09-07 | 1991-03-05 | Exxon Research And Engineering Company | Method of removing hydroperoxides from lubricating oils |
| US5094745A (en) * | 1990-05-04 | 1992-03-10 | Allied-Signal Inc. | Coolant filter with inhibitor pack |
| US5188260A (en) * | 1991-06-03 | 1993-02-23 | Bettinger David S | Dispensing device having a wall made from a shrink plastic material |
| RU2027030C1 (ru) * | 1992-06-30 | 1995-01-20 | Межотраслевое научно-производственное объединение "Экология" | Устройство для создания трибохимического режима в масляной системе механизма |
| US5256280A (en) * | 1992-10-09 | 1993-10-26 | Allied-Signal Inc. | Combination valve for liquid filter |
| RU2027031C1 (ru) * | 1992-12-28 | 1995-01-20 | Межотраслевое научно-производственное объединение "Экология" | Устройство для создания трибохимического режима в масляной системе двигателя внутреннего сгорания |
| US5507942A (en) * | 1994-02-22 | 1996-04-16 | Davco Manufacturing L.L.C. | Fuel filter assembly |
| US5591330A (en) * | 1994-05-25 | 1997-01-07 | T/F Purifiner, Inc. | Oil filter containing an oil soluble thermoplastic additive material therein |
| JPH0744448U (ja) * | 1994-07-26 | 1995-11-21 | 日本電装株式会社 | オイルフィルタ |
| DE19540251C2 (de) * | 1995-10-28 | 1997-11-20 | Hengst Walter Gmbh & Co Kg | Kühlmittelfilter |
| US5662799A (en) | 1996-06-21 | 1997-09-02 | Fleetguard, Inc. | Slow release coolant filter |
| US5803024A (en) * | 1997-07-18 | 1998-09-08 | Baldwin Filters, Inc. | Coolant filter having a delayed release supplemental coolant additive cartridge |
| US6264833B1 (en) * | 1998-12-14 | 2001-07-24 | Alliedsignal Inc. | Coolant filter assembly for a vehicle |
| US6238554B1 (en) | 1999-06-16 | 2001-05-29 | Fleetguard, Inc. | Fuel filter including slow release additive |
| US6860241B2 (en) | 1999-06-16 | 2005-03-01 | Dober Chemical Corp. | Fuel filter including slow release additive |
| US6969461B2 (en) * | 2000-01-19 | 2005-11-29 | Baldwin Filters, Inc. | Combination particulate and acid-neutralizing filter |
| CA2408880A1 (en) * | 2000-05-08 | 2001-11-15 | Ronald P. Rohrbach | Staged oil filter incorporating pelletized basic conditioner |
| US7291264B2 (en) * | 2000-05-08 | 2007-11-06 | Honeywell International, Inc. | Staged oil filter incorporating additive-releasing particles |
| US7182863B2 (en) * | 2000-05-08 | 2007-02-27 | Honeywell International, Inc. | Additive dispersing filter and method of making |
| US7018531B2 (en) * | 2001-05-30 | 2006-03-28 | Honeywell International Inc. | Additive dispensing cartridge for an oil filter, and oil filter incorporating same |
| US6379564B1 (en) | 2000-05-08 | 2002-04-30 | Ronald Paul Rohrbach | Multi-stage fluid filter, and methods of making and using same |
| US20090139915A1 (en) * | 2000-07-25 | 2009-06-04 | Davco Technology, Llc | Fluid Filter with Pressure Relief Valve and Bypass Valve |
| US6540909B2 (en) * | 2001-03-07 | 2003-04-01 | Davco Technology, Llc | Fluid filter with pressure relief valve |
| DE10103345A1 (de) * | 2001-01-25 | 2002-08-14 | Hermann Trabold | Filterpackung zum Filtern von flüssigen oder gasförmigen Medien |
| US20030122104A1 (en) * | 2001-02-12 | 2003-07-03 | Dober Chemical Corporation | Liquid replacement systems |
| US6544412B2 (en) | 2001-03-28 | 2003-04-08 | Champion Laboratories, Inc. | Filter including temperature and pressure responsive bypass |
| US6585887B2 (en) | 2001-03-28 | 2003-07-01 | Champion Laboratories, Inc. | End cap relief valve mechanism for a filter |
| US6537453B2 (en) * | 2001-05-17 | 2003-03-25 | Baldwin Filters, Inc. | Acid-neutralizing filter |
| US20020185454A1 (en) * | 2001-05-17 | 2002-12-12 | Beard John H. | Full flow particulate and acid-neutralizing filter |
| US6505597B2 (en) | 2001-05-30 | 2003-01-14 | Honeywell International Inc. | Cleansing oil filter containing quick-release liquid antioxidant/additive solution, and method of using same to convert an engine from petroleum-based oil to botanically-based oil |
| US6827750B2 (en) | 2001-08-24 | 2004-12-07 | Dober Chemical Corp | Controlled release additives in fuel systems |
| WO2003019065A1 (en) * | 2001-08-24 | 2003-03-06 | Dober Chemical Corporation | Controlled release of additives in cooling system |
| US7938277B2 (en) * | 2001-08-24 | 2011-05-10 | Dober Chemical Corporation | Controlled release of microbiocides |
| US7001531B2 (en) | 2001-08-24 | 2006-02-21 | Dober Chemical Corp. | Sustained release coolant additive composition |
| US6835218B1 (en) | 2001-08-24 | 2004-12-28 | Dober Chemical Corp. | Fuel additive compositions |
| DE10297145T5 (de) * | 2001-08-24 | 2004-07-22 | Dober Chemical Corporation, Midlothian | Kontrollierte Freisetzung von Additiven in Fluidsysteme |
| GB2414422B (en) * | 2002-06-07 | 2006-06-14 | Baldwin Filters Inc | Environmentally friendly acid neutralizing full flow cartridge |
| US6919023B2 (en) * | 2002-06-07 | 2005-07-19 | Baldwin Filters, Inc. | Acid neutralizing filter canister |
| GB2390825B (en) * | 2002-06-07 | 2005-08-17 | Baldwin Filters Inc | Environmentally friendly acid neutralizing cartridge |
| US7384896B2 (en) * | 2002-07-16 | 2008-06-10 | The Lubrizol Corporation | Controlled release of additive gel(s) for functional fluids |
| US6843916B2 (en) * | 2002-07-16 | 2005-01-18 | The Lubrizol Corporation | Slow release lubricant additives gel |
| US7124729B2 (en) * | 2003-02-14 | 2006-10-24 | General Motors Corporation | Additive-containing, dissolvable coating on engine part that contacts oil |
| US7534747B2 (en) * | 2003-06-25 | 2009-05-19 | The Lubrizol Corporation | Gels that reduce soot and/or emissions from engines |
| US7000655B2 (en) | 2004-01-09 | 2006-02-21 | The Lubrizol Corporation | Fluid additive delivery systems |
| DE102004001983B4 (de) * | 2004-01-13 | 2009-02-12 | Mann + Hummel Gmbh | Additivfilter |
| US7297256B2 (en) * | 2004-01-29 | 2007-11-20 | Fleet Guard, Inc. | Pressure gradient dosing system for fluid supply |
| WO2005087346A1 (en) * | 2004-03-05 | 2005-09-22 | Donaldson Company, Inc. | Top load liquid filter assembly for use with treatment agent;and, methods |
| JP2007527785A (ja) * | 2004-03-05 | 2007-10-04 | ドナルドソン カンパニー，インコーポレイティド | 処理剤と共に使用するための液体フィルターアセンブリおよびそれを用いる方法 |
| US20050199542A1 (en) * | 2004-03-12 | 2005-09-15 | Snider Jason P. | Acid reducing filter |
| US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
| US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US9826537B2 (en) | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
| US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
| US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
| US9819403B2 (en) | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
| US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
| KR20070033349A (ko) * | 2004-06-11 | 2007-03-26 | 허니웰 인터내셔날 인코포레이티드 | 자동차 첨가제 조성물 |
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| EP2865432B1 (en) | 2004-06-29 | 2020-09-09 | Donaldson Company, Inc. | Liquid filter arrangement |
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| US20110171081A1 (en) * | 2004-09-06 | 2011-07-14 | Andrea Elaine Buchanan | Corrosion-inhibiting device |
| GB0419686D0 (en) * | 2004-09-06 | 2004-10-06 | Buchanan Andrea E | An appliance for the removal of sediments & debris from fluids |
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| BRPI0606625B1 (pt) | 2005-01-13 | 2018-06-19 | Donaldson Company, Inc. | Cartucho de filtro de ar e conjunto de filtro de ar |
| US8016125B2 (en) * | 2005-05-20 | 2011-09-13 | Lutek, Llc | Materials, filters, and systems for immobilizing combustion by-products and controlling lubricant viscosity |
| US20070004601A1 (en) * | 2005-07-01 | 2007-01-04 | Mathur Naresh C | Additive composition |
| US20070004604A1 (en) * | 2005-07-01 | 2007-01-04 | Mathur Naresh C | Additive composition |
| US20070049505A1 (en) * | 2005-08-24 | 2007-03-01 | Baker Mark R | Controlled release of additive gel(s) for functional fluids |
| US8659668B2 (en) | 2005-10-07 | 2014-02-25 | Rearden, Llc | Apparatus and method for performing motion capture using a random pattern on capture surfaces |
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-
1975
- 1975-04-01 US US05/564,111 patent/US4075097A/en not_active Expired - Lifetime
- 1975-06-19 CA CA229,726A patent/CA1062171A/en not_active Expired
- 1975-11-07 US US05/630,038 patent/US4075098A/en not_active Expired - Lifetime
-
1976
- 1976-02-27 SE SE7602670A patent/SE7602670L/xx unknown
- 1976-03-17 GB GB10743/76A patent/GB1541051A/en not_active Expired
- 1976-03-26 JP JP51033464A patent/JPS51121638A/ja active Pending
- 1976-03-30 DE DE2613481A patent/DE2613481C3/de not_active Expired
- 1976-03-31 BE BE165740A patent/BE840252A/xx unknown
- 1976-04-01 FR FR7609544A patent/FR2306336A1/fr active Granted
- 1976-04-01 BR BR7601996A patent/BR7601996A/pt unknown
- 1976-04-01 ES ES446589A patent/ES446589A1/es not_active Expired
- 1976-04-01 AR AR262764A patent/AR210596A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| SE7602670L (sv) | 1976-10-28 |
| FR2306336B1 (https=) | 1978-08-25 |
| DE2613481B2 (de) | 1979-11-29 |
| AU1150176A (en) | 1977-09-01 |
| DE2613481A1 (de) | 1976-10-14 |
| DE2613481C3 (de) | 1980-08-07 |
| JPS51121638A (en) | 1976-10-25 |
| BR7601996A (pt) | 1976-10-05 |
| US4075097A (en) | 1978-02-21 |
| US4075098A (en) | 1978-02-21 |
| ES446589A1 (es) | 1977-06-16 |
| FR2306336A1 (fr) | 1976-10-29 |
| AR210596A1 (es) | 1977-08-31 |
| GB1541051A (en) | 1979-02-21 |
| BE840252A (fr) | 1976-07-16 |
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