Patents

Patents:

1. Eric Udd, Provisional Patent Multi-parameter high speed fiber grating system with high sensitivity, Application Number 62/922,650 filed August 8, 2019.

2. Eric Udd and Ingrid Udd Scheel, Extended range multi-parameter high speed fiber grating sensor system, Application Number 62,918,486 filed February 1, 2019.

3. Eric Udd, Fiber-grating sensors having longitudinal-strain-inducing jackets and sensor systems and structures including such sensors, US patent 9453771, Sep 27, 2016.

4. Eric Udd, Fiber grating sensor system for measuring key parameters during high speed, US patent 9417127, Aug 16, 2016.

5. Eric Udd, Optical fiber grating sensors and methods of manufacture, US patent 8989528, March 24, 2014.

6. Bhaskar S. Ramamurthy, Neal A. Tanner, Robert G. Younge, Randall L. Schlesinger, and Eric Udd, Fiber optic instrument shape sensing system and method, US patent 8864655, Oct 21, 2014.

7. Robert G. Younge, Bhaskar S. Ramamurthy, Neal A. Tanner, Randall L. Schlesinger, and Eric Udd, Optical fiber instrument system for detecting twist of elongated instruments, US patent 8818143, Aug 26, 2014.

8. Robert G. Younge, Bhaskar S. Ramamurthy, Neal A. Tanner, Randall L. Schlesinger, and Eric Udd, Optical fiber shape sensing systems, US patent 8811777, Aug 19, 2014.

9. Eric Udd, Fiber shape sensing systems and methods, US patent 8780339, July 15, 2014.

10. Robert G. Younge, Bhaskar S. Ramamurthy, Neal A. Tanner, Randall L. Schlesinger, and Eric Udd, Optical fiber instrument system for detecting and decoupling twist effects, US patent 8705903, Apr 22, 2014.

11. Robert G. Younge, Bhaskar S. Ramamurthy, Neal A. Tanner, Randall L. Schlesinger, and Eric Udd, Optical fiber shape sensing systems, US patent 8515215, Aug 20, 2013.

12. Robert G. Younge, Bhaskar S. Ramamurthy, Neal A. Tanner, Randall L. Schlesinger, and Eric Udd, Optical fiber shape sensing systems, US patent 8050523, Nov 1, 2011.

13. Udd et al, Fiber Grating Environmental Sensing System, US patent 7038190, May 2, 2006.

14. Spirin, Vasilii V, Shlyagin, Mikhail G. and, Udd, Eric, Differential Fiber Optical Sensor With Interference Energy Analyzer, US patent 6795599, Sep 21, 2004.

15. Whitten Lee Schulz and Eric Udd, Fiber grating bond joint health monitoring system, US patent 6756580, June 29, 2004.

16. Eric Udd et al, single fiber Sagnac com system, US patent 6690890, Feb 10, 2004.

17. Whitten Lee Schulz and Eric Udd, Fiber grating moisture and chemical sensing system, US patent 6683297, Jan 27, 2004.

18. Whitten Lee Schulz and Eric Udd, Fiber grating environmental sensing system, US patent 6600149, July 29, 2003.

19. Eric Udd and Mike Morrel, Single fiber Sagnac system, US patent 6459486, Oct 1, 2002.

20. Tsutomu Yamate, Robert J. Schroeder, Rogerio T. Ramos, Eric Udd, Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems, US patents 6363180, March 26, 2002.

21. Eric Udd and Andreas Weisshaar, High speed demodulation systems for fiber optic grating sensors, US patent 6335524, Jan 1, 2002.

22. Robert J. Schroeder, Tsutomu Yamate, Rogerio T. Ramos, Raghu Madhavan, Eric Udd, Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors, US patent 6218661, April 17, 2001.

23. Eric Udd, Eric D. Haugse, and Angela Trego, Fiber optic grating corrosion and chemical sensor, US patent 6144026, Nov 7, 2000.

24. Eric Udd, Assymetric fiber optic grating, US patent 5869835, Feb 9, 1999.

25. Robert J. Schroeder and Eric Udd, Fiber optic pressure transducers and pressure sensing system incorporating same, US patent 5841131, Nov 24, 1998.

26. Eric Udd, Transverse strain measurements using fiber optic grating based sensors, US patent 5828059, Oct 27, 1998.

27. Eric Udd, Coherent Alarm System, US patent 5694114, Dec 2, 1997.

28. Eric Udd, Fiber optic grating and etalon sensor system, US patent 5646401, July 8, 1997.

29. Eric Udd, Sagnac Michelson Sensing system, US patent 5636021, June 3, 1997.

30. Eric Udd, Fiber with multiple overlapping gratings, US patent 5627927, May 6, 1997.

31. Eric Udd, Multiparameter sensor system using a multiple grating fiber optic birefringent fiber, US patent 5591965, Jan 7, 1997.

32. Eric Udd, Secure fiber optic secure com alarm system, US patent 5455698, Oct 3, 1995.

33. Eric Udd and Paul Theriault, Fiber optic measuring apparatus, US patent 5446533, Aug 29, 1995.

34. Eric Udd and Stuart Higley, Secure for networks, US patent 5422772, June 6, 1995.

35. Eric Udd, Distributed sagnac sensor systems, US patent 5402231, March 28, 1995.

36. Eric Udd and Timothy E. Clark, Sensor systems employing optical fiber gratings, US patent 5397891, Mar 15, 1995.

37. Eric Udd and Timothy E. Clark, Fiber optic grating sensor systems for sensing environmental effects, US patent 5380995, Jan 10, 1995.

38. Eric Udd, Sagnac interferometer based secure communication system, US patent 5311592, May 10, 1994.

39. Eric Udd, Secure fiber optic secure com system, US patent 5274488, Dec 28, 1993.

40. Eric Udd, Secure fiber optic secure com system, US patent 5223967, Jun 29, 1993.

41. Eric Udd, John P. Theriault, Fiber optic microbending sensor arrays including microbend sensors sensitive over different bands of wavelengths of light, US patent 5118931, Jun 6, 1992.

42. Eric Udd, Optic detection system using a Sagnac interferometer, US patent 5046848, Sep 10, 1991.

43. Eric Udd, Sagnac distributed sensor, US patent 4976507, Dec 11, 1990.

44. Eric Udd, Sagnac distributed sensor, US patent 4898468, Feb 6, 1990.

45. Ron Michal, Eric Udd, and Richard F Cahill, Reciprocally switched four modulator system, US patent 4875775, Oct 24, 1989.

46. Richard F. Cahill, Jeffrey A. Eck, Gerald L. Schwantz, John P. Theriault, Philip A. Turek, Eric Udd, Raymond E. Wagoner, Keith H. Wanser, Method of terminating an optical fiber, US patent 4834493, May 30, 1989.

47. Ron Michal, Eric Udd, and Richard F Cahill, Optical fiber sensing systems having acouto optical modulation and deflection devices, US patent 4789241, Dec 6, 1988.

48. Eric Udd et al, fiber optic sensor, US patent 4787741, Nov 29, 1988.

49. Richard Cahill and Eric Udd, Vibrating optic fiber accelerometer and gyro, US patent 4755051, July 5, 1988.

50. Eric Udd et al, Micro-bending accelerometer and gyro, US patent 4743116, May 10, 1988.

51. Richard Cahill and Eric Udd et al, Fiber optic earth rotation sensor, US patent, 4712306. Dec 15, 1987.

52. Richard Cahill and Eric Udd Compact optical gyro, US patent 4588296, May 13, 1986.

53. George W. Finch and Eric Udd, Fiber-optic seismic sensor, US patent 4534222, Aug 13, 1985.

54. Eric Udd and Richard Cahill, Optical vibration sensor, US patent 4471659, Sep 18, 1984.

55. Richard Cahill and Eric Udd, Optical acoustic sensor, US patent 4375680, March 1, 1983.

56. Richard Cahill and Eric Udd, Phase nulling optical gyro, US patent 4299490, Nov 10, 1981.