US1313359A - Planooraph co - Google Patents
Planooraph co Download PDFInfo
- Publication number
- US1313359A US1313359A US1313359DA US1313359A US 1313359 A US1313359 A US 1313359A US 1313359D A US1313359D A US 1313359DA US 1313359 A US1313359 A US 1313359A
- Authority
- US
- United States
- Prior art keywords
- pump
- plunger
- barrel
- casing
- screw
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000004576 sand Substances 0.000 description 14
- 239000003638 reducing agent Substances 0.000 description 10
- 230000001808 coupling Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- BFPSDSIWYFKGBC-UHFFFAOYSA-N Chlorotrianisene Chemical compound C1=CC(OC)=CC=C1C(Cl)=C(C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 BFPSDSIWYFKGBC-UHFFFAOYSA-N 0.000 description 2
- 235000017276 Salvia Nutrition 0.000 description 2
- 241001072909 Salvia Species 0.000 description 2
- 101710026144 acu-3 Proteins 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- XQUXKZZNEFRCAW-UHFFFAOYSA-N fenpropathrin Chemical compound CC1(C)C(C)(C)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 XQUXKZZNEFRCAW-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 101710004278 icl Proteins 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- ACXGJHCPFCFILV-UHFFFAOYSA-M sodium;2-(4-chloro-2-methylphenoxy)acetate;3,6-dichloro-2-methoxybenzoic acid Chemical compound [Na+].COC1=C(Cl)C=CC(Cl)=C1C(O)=O.CC1=CC(Cl)=CC=C1OCC([O-])=O ACXGJHCPFCFILV-UHFFFAOYSA-M 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Definitions
- Thisinvention has reference tofnpumps and its object is -to provide apump in which no iiuid'passes through the working barrel, 'but is kdirected wholly about the working
- Theinvention comprises a pump casing in which there is mounted a i4working barrel freely open at the oppositeV ends andthere supported' by spacing members lodged in fthe casing with one of thefs'pacing niembers" serving as a valve seat -and having a valve structure associated therewith.
- the other spacing member is so constructed that the valve structure'may be associated'withV lit after being removedffrom the first spacing member, sothat in the event of wearA the ⁇ working barrel may be reversed Vin position, Athereby prolonging the life of the pump.
- a pumpy plunger having packing means ar- A'ranged for self packing andy also arranged for *taking up wear without the necessity ofthe removal of the .plunger fromy the workin barrel. ⁇ v ,Y f f
- the invention will loe best understood from a consideration of the followingdetailed description, taken in connection with the accompanying drawings forming part of this specification, ⁇ with the further, understanding that while'rthe drawings" show a practical form of the invention; thelatter is not confined to any strict conformity with the showing of the drawings,but may be changedl and kmodified Vso long-as f such changes and modications come within the In the drawings Figure 1 is an elevation yof the pump'.
- Fig. 3 is a section on the line 3-3 of Figz.r y j 1
- Fig. 4 is a section on the. line 4&-11 -of Fig. 2*.L v .f n Fig., 5 is a sectionponlthe line 5-5' of z zjrig. 6 is a' iongituanaifseaien ofy a ⁇ p0?- tion of a pump rod of tubular form. f
- the reducer 4' is conectedby a coupling- 6 to a pipe 7 which maybe assumed to lead to -v f
- the reducer 5 is connected to a 13 with its seat 14, and connectedto the coupling 11 is a strainer 15 which'may be 'of ordinary construction ⁇ and hence needs no special description.
- the two check valves 9 and ⁇ 1??)constitute footvalves, while the nip'- ple 12 may be replaced by any appropriate -length of pipe separating the two valves 9 Y and 13 to a'greater extent than indicated in the drawings.
- the I rings 16 and 20 are clamped between correspondingendsi ⁇ of the pump casing'l andtherespective re'- d'ucers 5 ande. f i 'I l Screwed on tothe threaded end-19 ofthe barrelh'l?
- ⁇ '.lhe-cage 21 is small enough in diameter/to have its peripheral Vportion spaced from the inner wall of the reducer i,jso that water passving through the lvalve structure has ample 'rojoin to movealoout the cage into the repassages ⁇ Vtherethrough corresponding to V for the passages 26;
- plunger wjph an: axially ⁇ extended Seremi threadedY socket 28:- in what l constitutesits lowerfend ⁇ in theworking posii tion.; 'llhei end. of thefplunger 27 which inthe working-positionconstituteszitsupper 'endl is Y provided; with av screwvthreaded neck529l to which applied a: screw socket30 at the lower end ofy afpump rod131gywhichr-latter may be; olf; the usual construction and I'leeds Entering the: threaded; socket 23 at 4the .Y
- the-plunger is a threaded lshank 32;.o ⁇ A a; screw- 331 having' a head; 34 with a diamet'ric: recess; 35 in the tace; remote from the shanln the head being of. a diameter to snugly yet: ⁇ freely -it the workingl barrel.
- the screw, 33 between the.A head 34 and, the. lower; end ofthe plunger; is, a -seriesgof packing rings-36 with a, washer 37 interposet between theI head ⁇ 34 and the .lowermost packingringr.
- the plunger 27 may-be'-.siinilarlyl turned to cause thel'scnew 34ste compressther:packing rings .3hrs-andes@ take up any. wear'whieh Vmay haveY occurred.. In this mannen 'tliepaclring l .may-be kept a; tight Ycondition- (without, the
- rod likethe pumpgrodg 31'. ⁇ is quite, flexible. Ign order to RC'emthe redit is made hollow,I as shown hat 3.1ia in Fig. 6;.
- a solidpump rod that end ofthe pumpvred 31constituting its.loWer end in operation is provided with internal, screw 'threads i 3J()a to; receive ethe ..screw-threalded neck 29, at, the: upper end, ot the; pump .plungert k.
- the hollow rody 31a1 isprovided near itsglgwer'end'with a perforationjtl'V and 5 at inappropriate distance abovethe plunger whichgiss a; perforation;43,-v through; the l wall of 'thefjigedk the perforation 43 being quitej closeto theplugfeQ.
- the pump rod lfL may be made of sections of suitable length joined together by couplings 44.
- rlhe pump is particularly useful in deep wells and especially for pumping oil where sand or grit or silt is present. Under such conditions, when the pump is at rest, sand or the like, which is held in suspension in the oil, deposits upon the valves. In such deep well lpumps, it is the custom to cause the thereon and down stroke of the piston solely by gravity because of the impracticability of applying force to cause the down stroke toa pump rod many hundreds of feet in length.
- a gravitating pump plunger lacks the necessary power to 'slodge the sand, and therefore, if the deposit of sand be relatively heavy, the pump must be withdrawn from the well in order to clean out the deposited sand. This is necessarily a time consuming and expensive procedure, and is not to be tolerated if it occurs frequently.
- a pump comprising a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump casing, a pump cas
- spacing means at the opposite ends of the working barrel for centralizing the latter in the pump casing, and valve members associated witlnone of the spacing means, said spacing means being of like construction for the association of the valve means with either spacing member.
- a pump comprising a casing, a working barrel freely open at the opposite ends with each end exteriorly screw threaded, a spacing ring at each end of the barrel threaded provided with passages therethrough exterior to the barrel, a valveV cage Copies ofthis patent may be obtained for five cents each, ⁇ by addressing the and valve members applied to one end ofk ger for the barrel having a stroke carrying its lower end below the working barrel, sai plunger having packing at its lower end, and the casing below the barrel and the lower end of the plunger having coperating means for taking up wear in the packing, comprising a screw on the lower end of the plunger and 'a fixed member extending transversely of the casing to engage the screw and actuate it by rotative movements of the plunger.
- a deep well pump comprising an upright casing, an open-ended working barrel within the casing, a'reciprocatory displacement plunger located in the barrel and provided with packing at its lower end, a headed screw eXtending through the packing and a fixed member in the casing for engaging the head of 'the screw, said fixed member being located at a lower point than the normal downward stroke of the plunger, to be engaged by the screw for causing the latter to compress the packing when the plu-ngerfisv lowered beyond its normal lowermost limit and is rotated.
- a pump comprisin a casing, an open ended working barrel t erein, a displacement plunger for the working barrel, like spacer rings at opposite ends of the working ing barrel therein with eXteriorly screwthreaded ends, a displacement plunger for the working barrel, like spacer rings on the threaded ends of the working barrel with each spacer ring having passagesl therethrough, and a valve structure applied to f one threaded end of the working barrel and adapted to either end and located in operative relation to Lthe passages through the spacer ring with which it is associated.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
D. M. WATSON.
PUMP.
APPLICATION FILED FEB. I9. I9I7.
Y Patented Ang. 19,1919.
2 SHEETS--SHEET I.
WSN-ron WITN ESS EQ .THE COLUMBIA PLANouRAPM co., WASHINGTON; D. C.
Patented Aug. 19, 1919.
2 SHEETS-SHEET 2.
. M. WATSON.
PUMP.
VAPPLICATIQN FILED FEB. 19| |917.
Al-roRN EVS INVENTOR @60114 WITNESSES 'rHS com/mn A PLANcaRAPn co.. WASHINGTON. n. C.
y barrel.
f scope of the appended claims. y
DANIEL M. wATsoN, or PORTLAND, oBEGoN.
To all whom it mag/,concern Be it knownthat I, DANiEL M. WATSON, ar
citizen of the United States, residing at Portland, in the county` of `,Multnomah and State of Oregon,'liave invented certainnew and useful Improvements in Pumps, of which the following is a specification.
Thisinvention has reference tofnpumps and its object is -to provide apump in which no iiuid'passes through the working barrel, 'but is kdirected wholly about the working Theinvention comprises a pump casing in which there is mounted a i4working barrel freely open at the oppositeV ends andthere supported' by spacing members lodged in fthe casing with one of thefs'pacing niembers" serving as a valve seat -and having a valve structure associated therewith. The other spacing member is so constructed that the valve structure'may be associated'withV lit after being removedffrom the first spacing member, sothat in the event of wearA the `working barrel may be reversed Vin position, Athereby prolonging the life of the pump.
Associated with the working barrel is a pumpy plunger having packing means ar- A'ranged for self packing andy also arranged for *taking up wear without the necessity ofthe removal of the .plunger fromy the workin barrel.` v ,Y f f The invention will loe best understood from a consideration of the followingdetailed description, taken in connection with the accompanying drawings forming part of this specification,` with the further, understanding that while'rthe drawings" show a practical form of the invention; thelatter is not confined to any strict conformity with the showing of the drawings,but may be changedl and kmodified Vso long-as f such changes and modications come within the In the drawings Figure 1 is an elevation yof the pump'.
tudinal diametricrsection ofthe pump on a larger scale thanFig.l l. 'Y 1 Fig. 3 is a section on the line 3-3 of Figz.r y j 1 Fig. 4 isa section on the. line 4&-11 -of Fig. 2*.L v .f n Fig., 5 is a sectionponlthe line 5-5' of z zjrig. 6 is a' iongituanaifseaien ofy a` p0?- tion of a pump rod of tubular form. f
` Specification of Letters Patent.`
Patented A1104. 19,1919. Appiitation fusa February 19,1917. 'seria1No'.f14e,524. i Y
.Referringto the drawings there is shown l" a pump casing 11 of suitable length and di 'ameter connected at the ends'bycouplings 2, 3,V respectively,"to respective reducers 4, 5.
The reducer 4' is conectedby a coupling- 6 to a pipe 7 which maybe assumed to lead to -v f The reducer 5 is connected to a 13 with its seat 14, and connectedto the coupling 11 is a strainer 15 which'may be 'of ordinary construction `and hence needs no special description. .The two check valves 9 and `1??)constitute footvalves, while the nip'- ple 12 may be replaced by any appropriate -length of pipe separating the two valves 9 Y and 13 to a'greater extent than indicated in the drawings. 'I y 1 Within the coupling 3 there is lodged a 'spacer lring 16 `interiorly threaded forthe reception of one end of the workingbarrel 17 of 'considerably less diameter'thanjthe Y casing land ofgreater lengththanl the cas-A fi'ng 1, sot-hat one end 18 lof the loarr'ell'? may'extend -through and beyond the ring f 16""and the other` end 19 of the workingba'r rel may extend through and beyond vanother spacing ring` 20 similar to thering 16 "and Vlodged in the coupling' 2` The I rings 16 and 20 are clamped between correspondingendsi `of the pump casing'l andtherespective re'- d'ucers 5 ande. f i 'I l Screwed on tothe threaded end-19 ofthe barrelh'l? isa ball cage'21 confining hall vvalves 22`to the ring 2Ok in operative relation to passages 23 through the ring, the balls 22 seating atpthos'e ends-of the pas- 'sa'ges- 20 toward the case 21. Pockets 21 fare' formed in the 'cage 21 to receive the balls 22 and the ends'ofy the pockets remote from those receivingthe'balls open through the cage by way of passages 25,'so that the balls may `move freely toward and from thefpas-V sages 23 to closeandlopen them. `'.lhe-cage 21 is small enough in diameter/to have its peripheral Vportion spaced from the inner wall of the reducer i,jso that water passving through the lvalve structure has ample 'rojoin to movealoout the cage into the repassages` Vtherethrough corresponding to V for the passages 26;
Extending through, ,andgfin theA ,show-inge I of the drawings about as long as the workingbarIeL 1571is4a1plunger 2,7shown in Figs.
2 and L2te-,sa solid; plunger wjph an: axially` extended Seremi=threadedY socket 28:- in what l constitutesits lowerfend` in theworking posii tion.; 'llhei end. of thefplunger 27 which inthe working-positionconstituteszitsupper 'endl is Y provided; with av screwvthreaded neck529l to which applied a: screw socket30 at the lower end ofy afpump rod131gywhichr-latter may be; olf; the usual construction and I'leeds Entering the: threaded; socket 23 at 4the .Y
lower'endaoii the-plunger is a threaded lshank 32;.o`A a; screw- 331 having' a head; 34 with a diamet'ric: recess; 35 in the tace; remote from the shanln the head being of. a diameter to snugly yet:` freely -it the workingl barrel. Carriedf'by, the screw, 33: between the.A head 34 and, the. lower; end ofthe plunger; is, a -seriesgof packing rings-36 with a, washer 37 interposet between theI head`34 and the .lowermost packingringr. That portionfof .the;fhea`rl;f34f against wl1;icl1;-the;A washer 37. rests has passages 38 leading therethrough, so that water; below the headj34 m'ay have Vtree accessa'toA the washer 357, andf underthe pressure c'aused byy VpumpingV torcev the washer'37f against the packing, rings Y36.
` V'lhisresultsin theautomaticcompression of the packing; ringsl during the, power stroke off the plunger, byr the water beingtgpumped acting; against lvthe p a `3kin y fringe? through thewasher,37.l` n t Y VVVhleIl; :the ,plunger is; first installed; the Y screw 33j is)screwedpintcthesocket 28to an extent, torfrcompress the packingfringsinto su'iiici'ently,V tight engagement with;` thefworling barrel to prevent leakage past th`em In orden that the compression oftheapacking rin'gsbyI thescrew may be;varied ask desired, ai pin' oi rivet; 3.91' isplaced in traversing;V relationte the reducer, 5 immediately below the lowerfelld` off the working barrel andf pro'- vided with a1 squared `or other suitably shaped portion- 40 in thepath of the-head ofi-the screw 33; when thelplungen isz lowered to: a suflicient extent7` the yarrangement beting; such; thatthe slot.35 w illy receive the squared portion tOof-tV the pin or rivet 39. Then; by turning the pump/ rodg 31 the plunger 27 may-be'-.siinilarlyl turned to cause thel'scnew 34ste compressther:packing rings .3hrs-andes@ take up any. wear'whieh Vmay haveY occurred.. In this mannen 'tliepaclring l .may-be kept a; tight Ycondition- (without, the
Aneressityof removing: the. plungerL trom the .the Vsaine c-we'ightz..H
course, continued wear will necessitate the Yvv-ell innwhich the pump-is' installed. y Of ultiinateuremovalofv the plunger, but this Y pumpl casing after passingthe check valves 13 ande .9;and. thenv on thedownward movement oftheplunger with the check@ valves closed the water is forcedthrough.v the passages 26y into the pump casing 1. As f the pump continuesworkingfthe. waterI yrises through the passages23` and by .the 4valve members 22 .and ultimately rises to theI sur'- face, thegaction oil the 'pump inI ,this respect being similar to ordinary pumps.
By making the, plunger. 27 with the ingI at; theV lowerfend thereot. longer thany the working'barrelgrrno water whatever entersthe work Iis*.-I'Jlaceds kuponthe pump, 4as would be packL topz of .theworking barrel yand noadd'itional the; case;wherewater is forced toy pass v throu'ghltheworking barrel with vthe consequentj additional4 triction 4over they larger passages provided by directingthe water outsideot thewoi-kingbarrel f,
In deep wellsa'sol-id pump: rod likethe pumpgrodg 31'.` is quite, flexible. Ign order to stift'emthe redit is made hollow,I as shown hat 3.1ia in Fig. 6;. In place otthe socket 30 y-usedfwV-ith a solidpump rod that end ofthe pumpvred 31constituting its.loWer end in operation is provided with internal, screw 'threads i 3J()a to; receive ethe ..screw-threalded neck 29, at, the: upper end, ot the; pump .plungert k.The hollow rody 31a1isprovided near itsglgwer'end'with a perforationjtl'V and 5 at inappropriate distance abovethe plunger whichgiss a; perforation;43,-v through; the l wall of 'thefjigedk the perforation 43 being quitej closeto theplugfeQ.,
hOHOW l'od. would. necessarily. aV
titylolt; water Vinto the rod: to counteract such ,f
buoyancy. {In'this wayxthe rod: is automaticallyn maded heavy enought ,to force; lthe Y plunger downwardly,- without increasingthe amount ofi 'metal in the, pump trod,v and maiio the hollowrodf is closedbyfa plug l2cb`elow terially stiffening the pump rod, since with f Y theisameainount of, metalvthehollow rod is oit considerably larger ydiameter than kthe 'solidrodl j-Such ahollowor pipe-likeffrod is in operationmuch'vstiifer)than a"solid-Arodgof' cient een externeme .er wie By permitting: a' Siiwater the weight of the rod is materiallyincreased over that of a solid rod containing the same amount of metal.
When the plunger is lowered into the well the hollow pump rod fills with water up to the plug 42 and when the plunger is pulled from the well, the contained water drains out through the perforation 41, the perforation 43 acting as a vent in either case The pump rod lfL may be made of sections of suitable length joined together by couplings 44.
rlhe pump is particularly useful in deep wells and especially for pumping oil where sand or grit or silt is present. Under such conditions, when the pump is at rest, sand or the like, which is held in suspension in the oil, deposits upon the valves. In such deep well lpumps, it is the custom to cause the thereon and down stroke of the piston solely by gravity because of the impracticability of applying force to cause the down stroke toa pump rod many hundreds of feet in length. When the valves are located at or close to the lower end of the pump barrel, a gravitating pump plunger lacks the necessary power to 'slodge the sand, and therefore, if the deposit of sand be relatively heavy, the pump must be withdrawn from the well in order to clean out the deposited sand. This is necessarily a time consuming and expensive procedure, and is not to be tolerated if it occurs frequently.
By extending the pump plunger above the upper end of the working barrel to a distance which will maintain it alfways -above the upper end of the working barrel, and by locating the valves close to the upper end of the working barrel, any deposits of sand on the upper valves are subject to violent agitation due to the movements of the pump plunger. Consequently, a few strokes of the pump plunger dislodge all accumulated sand, thus avoiding any necessity of pulling the pump for cleansing purposes.
What is claimed is l. A pump comprising a pump casing, a
working barrel within the pump casing, a
displacement plungerfor the working barrel, spacing means at the opposite ends of the working barrel for centralizing the latter in the pump casing, and valve members associated witlnone of the spacing means, said spacing means being of like construction for the association of the valve means with either spacing member.
2. A pump comprising a casing, a working barrel freely open at the opposite ends with each end exteriorly screw threaded, a spacing ring at each end of the barrel threaded provided with passages therethrough exterior to the barrel, a valveV cage Copies ofthis patent may be obtained for five cents each, `by addressing the and valve members applied to one end ofk ger for the barrel having a stroke carrying its lower end below the working barrel, sai plunger having packing at its lower end, and the casing below the barrel and the lower end of the plunger having coperating means for taking up wear in the packing, comprising a screw on the lower end of the plunger and 'a fixed member extending transversely of the casing to engage the screw and actuate it by rotative movements of the plunger.
4. A deep well pump comprising an upright casing, an open-ended working barrel within the casing, a'reciprocatory displacement plunger located in the barrel and provided with packing at its lower end, a headed screw eXtending through the packing and a fixed member in the casing for engaging the head of 'the screw, said fixed member being located at a lower point than the normal downward stroke of the plunger, to be engaged by the screw for causing the latter to compress the packing when the plu-ngerfisv lowered beyond its normal lowermost limit and is rotated.
5. A pump comprisin a casing, an open ended working barrel t erein, a displacement plunger for the working barrel, like spacer rings at opposite ends of the working ing barrel therein with eXteriorly screwthreaded ends, a displacement plunger for the working barrel, like spacer rings on the threaded ends of the working barrel with each spacer ring having passagesl therethrough, and a valve structure applied to f one threaded end of the working barrel and adapted to either end and located in operative relation to Lthe passages through the spacer ring with which it is associated.
In testimony whereof I afli-X my signature in the presence of ltwo witnesses.
DANIEL M. wA'rsoN.
Witnesses f F. M. I-IALL, LEE O. PLEMMoNs.
Commissioner of Patents,v
Washington, D. C.l
Publications (1)
Publication Number | Publication Date |
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US1313359A true US1313359A (en) | 1919-08-19 |
Family
ID=3380852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1313359D Expired - Lifetime US1313359A (en) | Planooraph co |
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US (1) | US1313359A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2897768A (en) * | 1956-05-18 | 1959-08-04 | James A Perry | Deep well pump |
US3143080A (en) * | 1963-03-25 | 1964-08-04 | Wayne N Sutliff | Deep well pump for viscous oil |
US7144232B2 (en) | 2002-12-04 | 2006-12-05 | Locher Ben C | Water well pump |
-
0
- US US1313359D patent/US1313359A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2897768A (en) * | 1956-05-18 | 1959-08-04 | James A Perry | Deep well pump |
US3143080A (en) * | 1963-03-25 | 1964-08-04 | Wayne N Sutliff | Deep well pump for viscous oil |
US7144232B2 (en) | 2002-12-04 | 2006-12-05 | Locher Ben C | Water well pump |
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