DAVID B PIERCE, OT
Occupational Therapy at Jones Rd, Austin, TX

6505247, Jan 7, 2003

Feb 2, 1999

09/243224

Perry Steger - Georgetown TX
David Pierce - Austin TX

National Instruments Corporation - Austin TX

G06F 15173

709224, 709203, 709201, 700 9, 710 1

The system and method of industrial automation provides improved network transfer of data between nodes. The system comprises a plurality of computer systems which are interconnected through a network, wherein each of the computer systems executes industrial automation software. One or more of these computer systems interface to various hardware I/O devices for data acquisition. Each computer system is home to one or more client and/or server processes. Before data acquisition begins, every server process registers a plurality of time/quality (TQ) groups, wherein each TQ group is identified by a time/quality identification value (TQID), and wherein each TQ group represents a set of associated data elements. When a hardware I/O device generates data, a server process which is linked to that device through a device driver receives a block of data from the device. The driver assigns to the block a single timestamp and a single quality value.

6721677, Apr 13, 2004

Aug 2, 2001

09/920614

David Mark Pierce - Austin TX

National Instruments Corporation - Austin TX

G01D 100

702127

A method and system for modular storage of measurement streams using a hierarchy of stream-processing objects. A first application may log measurement data of a plurality of data types to a shared memory location on a first computer, independent of the data type. Both the data and an index to the data may be logged. A second application may trend the data substantially concurrently as the data is logged. Both applications may include a plurality of filter objects, including a hierarchy of stream processing objects, which may operate to log/trend the data. Trending may include: (1) generating a query; (2) determining the location using the index; (3) accessing the data from the shared memory; and (4) displaying the data. The data may be replicated to an archival database, independent of the type of data. The replicated data may be transmitted to a plurality of computers.

6411987, Jun 25, 2002

Feb 2, 1999

09/243222

Perry Steger - Georgetown TX
David Pierce - Austin TX

National Instruments Corporation - Austin TX

G06F 1516

709203, 709202, 709224, 700 9

The system and method of industrial automation provides improved network transfer of data between nodes. The system comprises a plurality of computer systems which are interconnected through a network, wherein each of the computer systems executes industrial automation software. One or more of these computer systems interface to various hardware I/O devices for data acquisition. Each computer system is home to one or more client and/or server processes. When a hardware I/O device generates data, a server process which is linked to that device through a device driver receives a block of data from the device. Using a real-time protocol, the server adds one or more blocks of data to a packet and transmits the packet to every client which has subscribed to the data. For increased network and computational efficiency, the real-time protocol includes compression techniques and is exception-based: only changes in data are sent to clients. The real-time protocol further employs a “train station” model for packet generation: a packet is only sent when it reaches a certain size or when a certain time has elapsed.

7383315, Jun 3, 2008

Aug 2, 2001

09/920893

David Mark Pierce - Austin TX, US

National Instruments Corporation - Austin TX

G06F 15/16, G06F 15/173, G06F 15/00, G06F 11/00

709217, 709224, 702187, 702188

A method and system for a delta page protocol for caching, replication, and client/server networking. Measurement data may be received by a logger application on a first computer, and written to shared memory sections in a modular fashion, including creating one or more header records to indicate a changed status. Each shared memory section may be independently accessible by a trender application executing in a second computer. In response to a query from the trender, the first computer may send a single message, a delta page. The header record may be used to determine the changed status of data sections. A single write operation may store the data values in a memory of the second computer. The trender may then read the first plurality of data values. The trender may present the retrieved data or requested data on a display.

2011008, Apr 7, 2011

Oct 1, 2009

12/571895

Perry C. Steger - Georgetown TX, US
David Mark Pierce - Austin TX, US

F04D 15/00, F04D 13/02, F04D 13/06

417 441, 417 53, 417212

A method for improving the energy efficiency of a pump system. The method includes measuring an instantaneous power consumption of the pump system, measuring an instantaneous fluid flow rate of the pump system, and determining an instantaneous specific energy consumption (SEC) of the pump system based on the instantaneous power consumption and the instantaneous fluid flow rate. The method then adjusts the speed of a pump in response to the determined SEC. The above steps may be performed a number of times to seek a reduced value of the instantaneous SEC of the pump system.

2003010, Jun 5, 2003

May 2, 2002

10/137669

Guy Laborde - Austin TX, US
David Pierce - Austin TX, US
Andreas Haub - , US
Stefan Romainczyk - , US
Helmut Helpenstein - , US

G06F012/00

709/203000, 711/118000

A system and method for making technical data available across an enterprise which may contain multiple data stores distributed across networked servers. These distributed data stores create the impression that they are actually part of one central storage, referred to as a networked DataCache. The user may thus be able to find various kinds of technical data without knowing where they were from the start. The data may also be adequately self describing via meta-data so that a user or application is able to find it and use it without implicit knowledge of the data, its meaning, or its structure. The networked DataCache allows a user of measurements to know where a measurement is and what it means.