Inventor
Manfred Worms
Inventor
Nienhagen, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling46%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents15%
G01BMeasuring length, thickness or similar linear dimensions15%
B01DSeparation8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G06KGraphical data reading8%
PatentTitleYear
9,784,041'Drilling rig riser identification apparatus'20178,016,037'Drilling rigs with apparatus identification systems and methods'20117,958,715'Chain with identification apparatus'20117,946,356'Systems and methods for monitored drilling'20117,484,625'Shale shakers and screens with identification apparatuses'20097,159,654'Apparatus identification systems and methods'20076,931,748'Riser and tubular inspection systems'20056,862,099'Tubular ovality testing'20055,442,287'Method and apparatus for detecting magnetic discontinuities by inducing a magnetic field in a magnetizable sample'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2017Based in Nienhagen, DE· patent location history
2005–2009Patents assigned to VARCO INT (3)· patent assignee history
2011–2017Patents assigned to NAT OILWELL VARCO LP (4)· patent assignee history
2011Based in Nieuhagen, DE· patent location history
2017Patents assigned to ELLISON LEON (1)· patent assignee history
2017Patents assigned to KAMMANN RHEINHOLD (1)· patent assignee history
2017Patents assigned to KINERT NATHAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT OILWELL VARCO LP | 4 | 2011–2017 |
| VARCO INT | 3 | 2005–2009 |
| ELLISON LEON | 1 | 2017 |
| KAMMANN RHEINHOLD | 1 | 2017 |
| KINERT NATHAN | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nienhagen, DE | 8 | 1995–2017 |
| Nieuhagen, DE | 1 | 2011 |