FAMILY OWNED AND OPERATED SINCE 1951

PATENTS

Our pioneering spirit is best demonstrated by our research and development team’s long-term commitment to continuous innovation. This mindset dates back to our founder’s invention of the first Integrated Vibratory Motor and Sandwich Screen™ Technology. Our quest to perpetually reinvent ourselves is exemplified by our ever-growing portfolio of U.S. and foreign patents.

 

The most up to date patent information for Derrick® equipment.

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Patents Revised (Sept 22)

Dual Pool 616/618

View Patent Information - Dual Pool 616-618

 

Additional Patents Pending

Dual Pool 626/628

View Patent Information - Dual Pool 626-628

Additional Patents Pending

Hyperpool

View Patent Information - Hyperpool

Additional Patents Pending

Pyramid Screens & Pyramid Plus Screens

Pyramid Screens & Pyramid Plus Screens

View Patent Information - Pyramid Screens & Pyramid Plus Screens

Dual Pool 616/618/626/628

The following Dual Pool 616/618/626/628 screen part numbers are patented under the below patent numbers: PMD600 DX-A200, PMD600 DX-A170, PMD600 DX-A140, PMD600 DX-A120, PMD600 DX-A100, PMD600 DX-A80, PMD600 DX-A70, PMD600 DX-A60, PMD600 DX-A50, PMD600 DX-A45, PMD600 DX-A40, PMD600 DX-A35, PMD600 DF-A325, PMD600 DF-A270, PMD600 DF-A230, PMD600 DF-A20, PMD+600 DX-A200, PMD+600 DX-A170, PMD+600 DX-A140, PMD+600 DX-A120, PMD+600 DX-A100, PMD+600 DX-A80, PMD+600 DX-A70, PMD+600 DX-A60, PMD+600 DX-A50, PMD+600 DX-A45, PMD+600 DX-A40, PMD+600 DX-A35, PMD+600 DF-A325, PMD+600 DF-A270, PMD+600 DF-A230, PMD+600 DF-A20


The above screen part numbers are used with the Dual Pool 616/618/626/628 machines. See Dual Pool 616/618 and Dual Pool 626/628 Patents.

Hyperpool

The following Hyperpool screen part numbers are patented under the below patent numbers: PMDHYP DX-A200, PMDHYP DX-A170, PMDHYP DX-A140, PMDHYP DX-A120, PMDHYP DX-A100, PMDHYP DX-A80, PMDHYP DX-A70, PMDHYP DX-A60, PMDHYP DX-A50, PMDHYP DX-A45, PMDHYP DX-A40, PMDHYP DX-A35, PMDHYP DF-A325, PMDHYP DF-A270, PMDHYP DF-A230, PMDHYP DF-A200, PMDHYP DF-A20, PMD+HYP DX-A200, PMD+HYP DX-A170, PMD+HYP DX-A140, PMD+HYP DX-A120, PMD+HYP DX-A100, PMD+HYP DX-A80, PMD+HYP DX-A70, PMD+HYP DX-A60, PMD+HYP DX-A50, PMD+HYP DX-A45, PMD+HYP DX-A40, PMD+HYP DX-A35, PMD+HYP DF-A325, PMD+HYP DF-A270, PMD+HYP DF-A230, PMD+HYP DF-A200, PMD+HYP DF-A20


The above screen part numbers are used with the Hyperpool machines. See Hyperpool Patents.

Additional Patents Pending

Polyweb Urethane Screens

Polyweb Urethane Screens

Polyweb Urethane Screens

The following Urethane Screen part numbers are patented under the below patent numbers:

Polyweb WS Urethane Screens

WS56-30x53, WS56-30x63, WS56-30x75, WS56-30x90, WS56-30x100, WS56-30x125, WS56-30x150, WS56-30x180, WS56-30x210, WS56-30x230, WS56-30x250, WS56-30x300, WS56-30x350, WS56-30x390, WS56-30x430, WS56-30x500, WS56-30x600, WS56-30x1400 

(AU): 2011243215 (BR): BR112015 023789-4 (CA): 2902782 (CL): 62379, 60198 (CN): ZL201480015525.0 (CO): 15-231.519 (DE): 2560769 (EA): 035616 (EP): 2560769 (FR): 2560769 (GB): 2560769 (ID): IDP000071200 (IN): 345682, 327675 (KR): 10-2211164 (MX): 2012012155, 382663, 366884 (PE): 10178 (RU): 2543393 (TN): 23084, 24666 (TR): 2560769 (UA): 106423, 117240 (US):8584866, 9375756, 9403192 (VN): 25935 (ZA): 2015/06226, 2017/07064

Polyweb DFTB Urethane Screens

DFTB42-40x104, DFTB42-40x135, DFTB42-40x180, DFTB42-40x500, DFTB42-40x1.2SQ, DFTB42-40x2.0SQ, DFTB42-40x3.5SQ, DFTB42-40x8.0SQ
(IN): 327675 (US):8584866, 9010539, 9375756, 9403192 (ZA): 2017/07064

Polyweb DU Urethane Screens

DU36-42x8.05SQ, DU48-42x0.85SQ, DU48-42x1.0SQ, DU48-42x1.1SQ, DU48-42x1.2SQ, DU48-42x1.3SQ, DU48-42x1.4SQ, DU48-42x1.5SQ, DU48-42x1.6SQ, DU48-42x1.7SQ, DU48-42x1.8SQ, DU48-42x2.0SQ, DU48-42x8.0SQ, DU48-42x104, DU48-42x150, DU48-42x180, DU48-42x210, DU48-42x230, DU48-42x250, DU48-42x270, DU48-42x300, DU48-42x350, DU48-42x420, DU48-42x460, DU48-42x500, DU48-42x600, DU48-42x700, DU48-42x850, DU48-42x2500, DU48-42x5300, DU56-42x1.2SQ, DU56-42x8.0SQ
(IN): 327675 (US):8584866, 9375756, 9403192 (ZA): 2017/07064

Polyweb MP Urethane Screens

MP48-30x269, MP48-30x285, MP48-30x360, MP48-30x414, MP48-30x437, MP48-30x465, MP48-30x475, MP48-30x503, MP48-30x650, MP48-30x1041, MP48-30x2235 

(AU): 2014238144 (BR): BR 11 2017 020064-3 (CA): 2902782 (CL): 62379, 60198 (CN): ZL201480015525.0 (CO): 15-231.519 (IN): 327675 (NZ): 712824 (PE): 10178 (US):8584866, 9375756, 9403192, 9908150 (ZA): 2017/07064

Additional Patents Pending

Trilogy Screens

The following Trilogy Screen part numbers are patented under the below patent numbers:

SPMD600-A104BB, SPMD700-A25BA, SPMD700-A35BA, SPMD700-A81BB, SPMD700-A87BB, SPMD700-A90BB, SPMDDHP-A104BB, SPMDDHP-A25AA, SPMDDHP-A25BA, SPMDDHP-A25BB, SPMDDHP-A35AA, SPMDDHP-A35BA, SPMDDHP-A45BA, SPMDDHP-A90BB, SPMDHYP-A104BB, SPMDHYP-A120A, SPMDHYP-A200A, SPMDHYP-A200AA, SPMDHYP-A200B, SPMDHYP-A200BA, SPMDHYP-A25A, SPMDHYP-A25AA, SPMDHYP-A30AA, SPMDHYP-A30BA, SPMDHYP-A32AA, SPMDHYP-A35A, SPMDHYP-A35AA, SPMDHYP-A35BA, SPMDHYP-A40BA, SPMDHYP-A45BA, SPMDHYP-A50AA, SPMDHYP-A50B, SPMDHYP-A50BA, SPMDHYP-A74BB

(AR): AR091151B1, AR100242B3 (ARIPO): AP 5605  (AU): 2018204571, 2018256563, 2020204620 (BO): 089/2018 (BR): BR112014029429-1, BR112016025640-9, BR122020012127-0, BR122020012131-9, BR122020012134-3 (CA): 2,874,139, 2,947,714, 3032719 (CL): 57.451, 62.890 (CN): ZL201380039344.7, ZL201580022289.X, ZL201320292022.0, ZL 201811081568.5 (CO): 14278728, 800.176.089.2 (EPO): 2861358 (EURASIA): 038742, 039584, 039593 (DE): 2861358 (IN): 327605 (ID): IDP000060868, IDP000071875 (IE): 2861358 (MY): MY-178302-A (MX): 378314, MX/a/2014/014407 (Nigeria): 005081, NG/PT/C/2014/738, RP D/P/2016/393 (NO): 2861358 (OAPI): 17112, 18069 (PE): 001932-2019/DIN-INDECOPI (PL): 2861358 (SA): 5407, 5669, 5820, 6638 (ZA): 2014/09274, 20160640, 2018/06102 (TR): 2861358 (UA): 120028 (GB): 120028 (US): 7578394, 8443984, 9370798, 9056335, 9144825, 9346081, 8910796, 10960438, 11000882, 11161150, 10046363, 10933444, 10981197, 9409209, 9884344, 10259013, 10835926, 10843230, 10967401

Additional Patents Pending

Oil Lube Motors

SG2, SG3, W, W2

(Canada): 2451688 (China): 2814770.7 (Chile): 49.199 (EPO): 1417742 (Turkey): TR 2010 03452 T4 (Italy): 1339645 (Sweden): 2744851.3 (BR): Pl0211219-1

SuperStack

SuperStack

(European Union IPO):005235637-001 (Australia): 2018012177 (Argentina): 93256 (Colombia): 62474 (Peru): 00549-2018/DIN

 

(AR): 93256, 95580, AR116512B4 (ARIPO): AP/D/01061, AP/D/01107 (AU): 2018012177, 2017341930, 201914239 (BR): BR302019003553-7 (CA): 180883, 189063 (CL): 9.522, 9.999, 63.141 (CN): ZL201830151278.8, ZL201820663439.6, ZL201930423874.1 (CO): 10373, NC2018/0003980, 76136, 39272 (EURASIA): 037932, 039605 (EPO): 005235637-0001, 6664090-0001 (IN): 304787, 320521-001 (ID): IDD00053647, IDD000056149 (IL): 61952 (JO): 2355, 2434 (KZ): 3515, 3254 (KR): 30-0994366, 30-1038974 (MY): MY 18-00344-0101 (MX): 56861, 60647 (PE): 00549-2018/DIN, 003439-2019/DIN-INDECOPI, 000747-2021/DIN (RU): 114604, 186820, 119009, 037932 (SA): 7149, 7796 (ZA): A2018/00577 (TW): D206254 (TH): 72128, 80713 (TR): 2018 02656, 2018/05291, 2019 04716 (GB): UK90066640900001, UK90052356370001 (US): 10,399,124, D854066, D890236, 11,052,427, 10,773,278 (VN): 29731, 31727

Additional Patents Pending

Super Stack Sizer with Linear Flow Divider

(US): 10,434,442

G-Vault Urethane Interstage Screen

(AR): 94262, 94263, AR091151B1, AR100242B3 (ARIPO): AP/D/01076, AP 5605 (AU): 201817300, 201911273, 2018204571, 2018256563, 2018281297, 2020204620 (BO): 089/2018 (BR): BR302019004831-0, BR112014029429-1, BR112016025640-9, BR122020012127-0, BR122020012131-9, BR122020012134-3 (CA): 185117, 2,874,139, 2,947,714 (CL): 9,777, 57.451, 62.890, 03555-2019 (CN): ZL201920520349.6, ZL202020901557.3, ZL201830697531.X, ZL201380039344.7, ZL201580022289.X, ZL201320292022.0 (CO): 10710, 14278728, 800.176.089.2 (DE): 2861358 (EC): DI-2020-040 (EP): 2861358 (ET): ET/ID/18/2923, ET/UM/18/3016 (FI): 26182, FI12517, 12523 (GB): 120028 (GH): AP/D/01076 (ID): IDD000053981, IDD000054262, IDP000060868, IDP000071875 (EURASIA): 039593 (IE): 2861358 (IN): 327605 (KZ): 3117 (KR): 30-1041509-0001, 30-1041509-0002 (KG): 98 (MN): 30-0002934, 6524 (MX): 59038, 378314 (MY): MY 18-01301-0101, MY 18-01300-0101, MY-178302-A (MZ): AP/D/01076 (NA): AP/D/01076 (NG): 005081, NG/PT/C/2014/738, RP D/P/2016/393(NO): 2861358 (NZ): 426846, 759848 (OAPI): 06275, 19382, 17112, 18069 (PA): 92463-1 (PE): 001947-2019/DIN-INDECOPI, 001948-2019/DIN-INDECOPI, 001932-2019/DIN-INDECOPI (PL): 2861358 (PH): 3-2018-001207, 3-2018-001206 (RU): 115728, 115725, 2749859 (SA): 5407, 5669, 5820, 6638 (SD): AP/D/01076 (SE): 84378 (TH): 1802005274, 1802005273 (TW): D203476, D206246, M585171 (TZ): AP/D/01076 (TR): 2018 07346, 2861358, 2018/20225 (UA): 120028 (US): D915484, 8561803, 7578394, 8443984, 9370798, 9056335, 9144825, 9346081, 8910796, 10960438, 11000882, 10046363, 10933444, 10981197, 9409209, 9884344, 10259013, 10835926, 10843230, 10967401 (UZ): SAP 01953 (VN): 31749 (ZA): 2014/09274, 20160640, 2018/06102 (ZW): AP/D/01076V

Additional Patents Pending

Centrifuge

The following Centrifuge part numbers are patented under the below patent numbers:

DE 1000 VFD & DE 7200

(CN): ZL201480049715.4, (EPO): 3431183, (RU): 2690440, (US): 9,283,572, (CA): 2,921,684

Sending