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

Dual Pool 616/618

(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834
(DZ): 6738 (AU): 2008229266 (CN): ZL200880015015.8 (CA): 2681494 (TW): I532539, I438037 (TZ): TZ/P/14/00382 (SA): 08290151 (HK): HK1171204B (NG): NG/C/2009/531 (EA): 21790 (MY): MY-145727-A (ID): ID P0029806 (US): 9370797, 7578394, 9370798
(CA): 2767819 (NG): NG/C/2012/105 (CN): ZL201080031954.9 (AU): 2014215959 (US): 8443984, 8910796
(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SE): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

Dual Pool 626/628

The following 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]

(DZ): 6738 (AU): 2008229266 (CA): ZL200880015015.8 (CA): 2681494 (TW): I532539, I438037 (TZ): TZ/P/14/00382 (SA): 08 29 0151 (HK): HK1171204B (NG): NG/C/2009/531 (EA): 21790 (MY): MY-145727-A (ID): ID P0029806 (US): 9370797, 7578394, 9370798
(AU): 2008228906 (SA): 4007 (CA): 2681366 (CN): ZL200880015111.2 (RU): 2456097 (TW): I440511 (CN): ZL201310454724.9 (US): 8439203
(CA): 2767819 (NG): NG/C/2012/105 (CN): ZL201080031954.9 (AU): 2014215959 (US): 8443984, 8910796
(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SE): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

Hyperpool

(CA): 2767819 (NG): NG/C/2012/105 (CN): ZL201080031954.9 (AU): 2014215959 (US): 8443984, 8910796
(TZ): TZ/P/14/00381 (CA): 2681494 (CN): 5015.8 (MY): MY-145727-A (AU): 2008229266 (DZ): 6738 (NE): NG/C/2009/531 (ID): ID P0029806 (EAPO): 21790 (TW): I532539, I438037 (SA): 08 29 0151 (HK): HK1171204B (US): 9370798, 9199279, 9027760, 9370797, 7578394, 8910796, 8443984
(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SE): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

Flo-Line Cleaner 2000

(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SW): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

HI-CAP/W56 Linear Motion Machine

(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

Fluid Cleaner 313

(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SW): 2744851.3 (US): 6580189
(CA): 2379469 (US): 6827223, 7253545
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834

Flo-Line Cleaner 500

(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SW): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058
(US): 7168569 (CA): 2519546 (EPO): 1613834 (DK): 1613834 (IT): 1613834 (GB): 1613834
(US): 6669027
(US): 7228971, 6669027

Multi-Deck Dry Sizer

(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SW): 2744851.3 (US): 6580189
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058

Polyweb (DU) Urethane Screens

(US): 8584866, 9375756, 9403192

Pyramid Screens & Pyramid Plus Screens

500 Series

The following 500 Series screen part numbers are patented under the below patent numbers: PMD500 DX-A200, PMD500 DX-A170, PMD500 DX-A140, PMD500 DX-A120, PMD500 DX-A100, PMD500 DX-A80, PMD500 DX-A70, PMD500 DX-A60, PMD500 DX-A50, PMD500 DX-A45, PMD500 DX-A40, PMD500 DX-A35, PMD500 HP-A325, PMD500 HP-A270, PMD500 HP-A230, PMD500 HP-A200, PMD500 HP-A170, PMD500 HP-A140, PMD500 HP-A120, PMD500 HP-A100, PMD500 HP-A80, PMD500 HP-A70, PMD500 HP-A60, PMD500 HP-A50, PMD500 HP-A45, PMD500 HP-A40, PMD500 DF-A325, PMD500 DF-A270, PMD500 DF-A230, PMD500 DF-A20, PMD+500 DX-A200, PMD+500 DX-A170, PMD+500 DX-A140, PMD+500 DX-A120, PMD+500 DX-A100, PMD+500 DX-A80, PMD+500 DX-A70, PMD+500 DX-A60, PMD+500 DX-A50, PMD+500 DX-A45, PMD+500 DX-A40, PMD+500 DX-A35, PMD+500 HP-A325, PMD+500 HP-A270, PMD+500 HP-A230, PMD+500 HP-A200, PMD+500 HP-A170, PMD+500 HP-A140, PMD+500 HP-A120, PMD+500 HP-A100, PMD+500 HP-A80, PMD+500 HP-A70, PMD+500 HP-A60, PMD+500 HP-A50, PMD+500 HP-A45, PMD+500 HP-A40, PMD+500 DF-A325, PMD+500 DF-A270, PMD+500 DF-A230, PMD+500 DF-A20, PMDHT DX-A200, PMDHT DX-A170, PMDHT DX-A140, PMDHT DX-A120, PMDHT DX-A100, PMDHT DX-A80, PMDHT DX-A70, PMDHT DX-A60, PMDHT DX-A50, PMDHT DX-A45, PMDHT DX-A40, PMDHT DX-A35, PMDHT HP-A325, PMDHT HP-A270, PMDHT HP-A230, PMDHT HP-A200, PMDHT HP-A170, PMDHT HP-A140, PMDHT HP-A120, PMDHT HP-A100, PMDHT HP-A80, PMDHT HP-A70, PMDHT HP-A60, PMDHT HP-A50, PMDHT HP-A45, PMDHT HP-A40, PMDHT DF-A325, PMDHT DF-A270, PMDHT DF-A230, PMDHT DF-A20, PMD+HT DX-A200, PMD+HT DX-A170, PMD+HT DX-A140, PMD+HT DX-A120, PMD+HT DX-A100, PMD+HT DX-A80, PMD+HT DX-A70, PMD+HT DX-A60, PMD+HT DX-A50, PMD+HT DX-A45, PMD+HT DX-A40, PMD+HT DX-A35, PMD+HT HP-A325, PMD+HT HP-A270, PMD+HT HP-A230, PMD+HT HP-A200, PMD+HT HP-A170, PMD+HT HP-A140, PMD+HT HP-A120, PMD+HT HP-A100, PMD+HT HP-A80, PMD+HT HP-A70, PMD+HT HP-A60, PMD+HT HP-A50, PMD+HT HP-A45, PMD+HT HP-A40, PMD+HT DF-A325, PMD+HT DF-A270, PMD+HT DF-A230, PMD+HT DF-A20

US Patent Numbers: 6669027

The above screen part numbers are used with the 500 Series machines. See 500 Series Patents.

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

US Patent Numbers: 7578394, 8443984, 9370798, 8910796

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

US Patent Numbers: 7578394, 8443984, 9370798, 8910796

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

Perforated Wear Plate (PWP) Screens

Perforated Wear Plate (PWP) Screens

The following Perforated Wear Plate (PWP) screen part numbers are patented under the below patent numbers: PWP500 DX-A200, PWP500 DX-A170, PWP500 DX-A140, PWP500 DX-A120, PWP500 DX-A100, PWP500 DX-A80, PWP500 DX-A70, PWP500 DX-A60, PWP500 DX-A50, PWP500 DX-A45, PWP500 DX-A40, PWP500 DX-A35, PWP500 HP-A325, PWP500 HP-A270, PWP500 HP-A230, PWP500 HP-A200, PWP500 HP-A170, PWP500 HP-A140, PWP500 HP-A120, PWP500 HP-A100, PWP500 HP-A80, PWP500 HP-A70, PWP500 HP-A60, PWP500 HP-A50, PWP500 HP-A45, PWP500 HP-A40, PWP500 DF-A325, PWP500 DF-A270, PWP500 DF-A230, PWP500 DF-A20

US Patent Numbers: 7228971

The above screen part numbers are used with the 500 Series machines. See 500 Series Patents.

Stack Sizer

(CA): 2451688 (CN): 2814770.7 (CL): 49.199 (EPO): 1417742 (TR): TR 2010 03452 T4 (IT): 1339645 (SW): 2744851.3 (US): 6580189
(BR): PI 0002758-8 : 2000-1303 (US): 6820748, 6431366
(CN): ZL200480042547.2 (EPO): 1730832 (TR): TR 2013 01003 T4 (US): 6856058

Urethane Screens

(US): 8584866, 9375756, 9403192, 9403192, 9010539, 9403192, 9375756 (AU): 2014238144 (NZ): 712824

Synthetic Screens (STG)

(US): 7578394, 8443984, 9370798, 9056335, 9144825, 9346081, 8910796, 9409209
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